9971945

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:209

約数の個数: 24

約数和(自身を含む): 13026624

約数和(自身を除く): 3054679

約数列:

[1, 5, 17, 67, 85, 103, 289, 335, 515, 1139, 1445, 1751, 5695, 6901, 8755, 19363, 29767, 34505, 96815, 117317, 148835, 586585, 1994389, 9971945]

約数ペア:

[(1, 9971945), (5, 1994389), (17, 586585), (67, 148835), (85, 117317), (103, 96815), (289, 34505), (335, 29767), (515, 19363), (1139, 8755), (1445, 6901), (1751, 5695)]