213178713

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{773}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 317872512

約数和(自身を除く): 104693799

約数列:

[1, 3, 11, 33, 61, 137, 183, 411, 671, 773, 1507, 2013, 2319, 4521, 8357, 8503, 25071, 25509, 47153, 91927, 105901, 141459, 275781, 317703, 518683, 1164911, 1556049, 3494733, 6459961, 19379883, 71059571, 213178713]

約数ペア:

[(1, 213178713), (3, 71059571), (11, 19379883), (33, 6459961), (61, 3494733), (137, 1556049), (183, 1164911), (411, 518683), (671, 317703), (773, 275781), (1507, 141459), (2013, 105901), (2319, 91927), (4521, 47153), (8357, 25509), (8503, 25071)]