128390175

素因数分解:

$3^2\times 5^2\times {\mathrm{401}}^1\times {\mathrm{1423}}^1$

素因数の和:1840

約数の個数: 36

約数和(自身を含む): 230696544

約数和(自身を除く): 102306369

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 401, 1203, 1423, 2005, 3609, 4269, 6015, 7115, 10025, 12807, 18045, 21345, 30075, 35575, 64035, 90225, 106725, 320175, 570623, 1711869, 2853115, 5135607, 8559345, 14265575, 25678035, 42796725, 128390175]

約数ペア:

[(1, 128390175), (3, 42796725), (5, 25678035), (9, 14265575), (15, 8559345), (25, 5135607), (45, 2853115), (75, 1711869), (225, 570623), (401, 320175), (1203, 106725), (1423, 90225), (2005, 64035), (3609, 35575), (4269, 30075), (6015, 21345), (7115, 18045), (10025, 12807)]