31378661013

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12556487}}^1$

素因数の和:12556521

約数の個数: 24

約数和(自身を含む): 51531826752

約数和(自身を除く): 20153165739

約数列:

[1, 3, 7, 17, 21, 49, 51, 119, 147, 357, 833, 2499, 12556487, 37669461, 87895409, 213460279, 263686227, 615267863, 640380837, 1494221953, 1845803589, 4482665859, 10459553671, 31378661013]

約数ペア:

[(1, 31378661013), (3, 10459553671), (7, 4482665859), (17, 1845803589), (21, 1494221953), (49, 640380837), (51, 615267863), (119, 263686227), (147, 213460279), (357, 87895409), (833, 37669461), (2499, 12556487)]