64128525

素因数分解:

$3^1\times 5^2\times {\mathrm{457}}^1\times {\mathrm{1871}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 106314624

約数和(自身を除く): 42186099

約数列:

[1, 3, 5, 15, 25, 75, 457, 1371, 1871, 2285, 5613, 6855, 9355, 11425, 28065, 34275, 46775, 140325, 855047, 2565141, 4275235, 12825705, 21376175, 64128525]

約数ペア:

[(1, 64128525), (3, 21376175), (5, 12825705), (15, 4275235), (25, 2565141), (75, 855047), (457, 140325), (1371, 46775), (1871, 34275), (2285, 28065), (5613, 11425), (6855, 9355)]