157996923

素因数分解:

$3^1\times 7^2\times {\mathrm{487}}^1\times {\mathrm{2207}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 245670912

約数和(自身を除く): 87673989

約数列:

[1, 3, 7, 21, 49, 147, 487, 1461, 2207, 3409, 6621, 10227, 15449, 23863, 46347, 71589, 108143, 324429, 1074809, 3224427, 7523663, 22570989, 52665641, 157996923]

約数ペア:

[(1, 157996923), (3, 52665641), (7, 22570989), (21, 7523663), (49, 3224427), (147, 1074809), (487, 324429), (1461, 108143), (2207, 71589), (3409, 46347), (6621, 23863), (10227, 15449)]