470907885

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{640691}}^1$

素因数の和:640713

約数の個数: 24

約数和(自身を含む): 876466656

約数和(自身を除く): 405558771

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 640691, 1922073, 3203455, 4484837, 9610365, 13454511, 22424185, 31393859, 67272555, 94181577, 156969295, 470907885]

約数ペア:

[(1, 470907885), (3, 156969295), (5, 94181577), (7, 67272555), (15, 31393859), (21, 22424185), (35, 13454511), (49, 9610365), (105, 4484837), (147, 3203455), (245, 1922073), (735, 640691)]