420351615

素因数分解:

$3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{19181}}^1$

素因数の和:19679

約数の個数: 24

約数和(自身を含む): 730143648

約数和(自身を除く): 309792033

約数列:

[1, 3, 5, 9, 15, 45, 487, 1461, 2435, 4383, 7305, 19181, 21915, 57543, 95905, 172629, 287715, 863145, 9341147, 28023441, 46705735, 84070323, 140117205, 420351615]

約数ペア:

[(1, 420351615), (3, 140117205), (5, 84070323), (9, 46705735), (15, 28023441), (45, 9341147), (487, 863145), (1461, 287715), (2435, 172629), (4383, 95905), (7305, 57543), (19181, 21915)]