64639725

素因数分解:

$3^1\times 5^2\times {\mathrm{109}}^1\times {\mathrm{7907}}^1$

素因数の和:8029

約数の個数: 24

約数和(自身を含む): 107865120

約数和(自身を除く): 43225395

約数列:

[1, 3, 5, 15, 25, 75, 109, 327, 545, 1635, 2725, 7907, 8175, 23721, 39535, 118605, 197675, 593025, 861863, 2585589, 4309315, 12927945, 21546575, 64639725]

約数ペア:

[(1, 64639725), (3, 21546575), (5, 12927945), (15, 4309315), (25, 2585589), (75, 861863), (109, 593025), (327, 197675), (545, 118605), (1635, 39535), (2725, 23721), (7907, 8175)]