9901825

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{151}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 12854336

約数和(自身を除く): 2952511

約数列:

[1, 5, 25, 43, 61, 151, 215, 305, 755, 1075, 1525, 2623, 3775, 6493, 9211, 13115, 32465, 46055, 65575, 162325, 230275, 396073, 1980365, 9901825]

約数ペア:

[(1, 9901825), (5, 1980365), (25, 396073), (43, 230275), (61, 162325), (151, 65575), (215, 46055), (305, 32465), (755, 13115), (1075, 9211), (1525, 6493), (2623, 3775)]