9971225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 13659840

約数和(自身を除く): 3688615

約数列:

[1, 5, 11, 25, 55, 101, 275, 359, 505, 1111, 1795, 2525, 3949, 5555, 8975, 19745, 27775, 36259, 98725, 181295, 398849, 906475, 1994245, 9971225]

約数ペア:

[(1, 9971225), (5, 1994245), (11, 906475), (25, 398849), (55, 181295), (101, 98725), (275, 36259), (359, 27775), (505, 19745), (1111, 8975), (1795, 5555), (2525, 3949)]