64890621

素因数分解:

$3^2\times {\mathrm{139}}^1\times {\mathrm{51871}}^1$

素因数の和:52016

約数の個数: 12

約数和(自身を含む): 94407040

約数和(自身を除く): 29516419

約数列:

[1, 3, 9, 139, 417, 1251, 51871, 155613, 466839, 7210069, 21630207, 64890621]

約数ペア:

[(1, 64890621), (3, 21630207), (9, 7210069), (139, 466839), (417, 155613), (1251, 51871)]