진약수의 합 (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "진약수의 합" in Korean language version.

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1semanticscholar.org

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ams.org

Pollack, Paul; Pomerance, Carl (2016), “Some problems of Erdős on the sum-of-divisors function”, 《Transactions of the American Mathematical Society》, Series B 3: 1–26, doi:10.1090/btran/10, MR 3481968
Sesiano, J. (1991), “Two problems of number theory in Islamic times”, 《Archive for History of Exact Sciences》 41 (3): 235–238, doi:10.1007/BF00348408, JSTOR 41133889, MR 1107382, S2CID 115235810
Erdős, P. (1973), “Über die Zahlen der Form $\sigma (n)-n$ und $n-\phi (n)$ ” (PDF), 《Elemente der Mathematik》 28: 83–86, MR 0337733 |title=에 지움 문자가 있음(위치 26) (도움말)

doi.org

dx.doi.org

Pollack, Paul; Pomerance, Carl (2016), “Some problems of Erdős on the sum-of-divisors function”, 《Transactions of the American Mathematical Society》, Series B 3: 1–26, doi:10.1090/btran/10, MR 3481968
Sesiano, J. (1991), “Two problems of number theory in Islamic times”, 《Archive for History of Exact Sciences》 41 (3): 235–238, doi:10.1007/BF00348408, JSTOR 41133889, MR 1107382, S2CID 115235810

jstor.org

Sesiano, J. (1991), “Two problems of number theory in Islamic times”, 《Archive for History of Exact Sciences》 41 (3): 235–238, doi:10.1007/BF00348408, JSTOR 41133889, MR 1107382, S2CID 115235810

renyi.hu

users.renyi.hu

Erdős, P. (1973), “Über die Zahlen der Form $\sigma (n)-n$ und $n-\phi (n)$ ” (PDF), 《Elemente der Mathematik》 28: 83–86, MR 0337733 |title=에 지움 문자가 있음(위치 26) (도움말)

semanticscholar.org

api.semanticscholar.org

Sesiano, J. (1991), “Two problems of number theory in Islamic times”, 《Archive for History of Exact Sciences》 41 (3): 235–238, doi:10.1007/BF00348408, JSTOR 41133889, MR 1107382, S2CID 115235810

wolfram.com

mathworld.wolfram.com

Weisstein, Eric Wolfgang. “Catalan's Aliquot Sequence Conjecture”. 《Wolfram MathWorld》 (영어). Wolfram Research.