39947427

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{811}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 62364848

約数和(自身を除く): 22417421

約数列:

[1, 3, 9, 13, 39, 117, 421, 811, 1263, 2433, 3789, 5473, 7299, 10543, 16419, 31629, 49257, 94887, 341431, 1024293, 3072879, 4438603, 13315809, 39947427]

約数ペア:

[(1, 39947427), (3, 13315809), (9, 4438603), (13, 3072879), (39, 1024293), (117, 341431), (421, 94887), (811, 49257), (1263, 31629), (2433, 16419), (3789, 10543), (5473, 7299)]