200121525

素因数分解:

$3^2\times 5^2\times {\mathrm{889429}}^1$

素因数の和:889445

約数の個数: 18

約数和(自身を含む): 358440290

約数和(自身を除く): 158318765

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 889429, 2668287, 4447145, 8004861, 13341435, 22235725, 40024305, 66707175, 200121525]

約数ペア:

[(1, 200121525), (3, 66707175), (5, 40024305), (9, 22235725), (15, 13341435), (25, 8004861), (45, 4447145), (75, 2668287), (225, 889429)]