67520621

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{2221}}^1$

素因数の和:2372

約数の個数: 16

約数和(自身を含む): 79778688

約数和(自身を除く): 12258067

約数列:

[1, 7, 43, 101, 301, 707, 2221, 4343, 15547, 30401, 95503, 224321, 668521, 1570247, 9645803, 67520621]

約数ペア:

[(1, 67520621), (7, 9645803), (43, 1570247), (101, 668521), (301, 224321), (707, 95503), (2221, 30401), (4343, 15547)]