521085231

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{207521}}^1$

素因数の和:207564

約数の個数: 20

約数和(自身を含む): 803525184

約数和(自身を除く): 282439953

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 207521, 622563, 1867689, 5603067, 6433151, 16809201, 19299453, 57898359, 173695077, 521085231]

約数ペア:

[(1, 521085231), (3, 173695077), (9, 57898359), (27, 19299453), (31, 16809201), (81, 6433151), (93, 5603067), (279, 1867689), (837, 622563), (2511, 207521)]