9980945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3571}}^1$

素因数の和:3632

約数の個数: 16

約数和(自身を含む): 13202112

約数和(自身を除く): 3221167

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 3571, 17855, 46423, 153553, 232115, 767765, 1996189, 9980945]

約数ペア:

[(1, 9980945), (5, 1996189), (13, 767765), (43, 232115), (65, 153553), (215, 46423), (559, 17855), (2795, 3571)]