12831489

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 21625344

約数和(自身を除く): 8793855

約数列:

[1, 3, 9, 11, 31, 33, 37, 93, 99, 111, 113, 279, 333, 339, 341, 407, 1017, 1023, 1147, 1221, 1243, 3069, 3441, 3503, 3663, 3729, 4181, 10323, 10509, 11187, 12543, 12617, 31527, 37629, 37851, 38533, 45991, 113553, 115599, 129611, 137973, 346797, 388833, 413919, 1166499, 1425721, 4277163, 12831489]

約数ペア:

[(1, 12831489), (3, 4277163), (9, 1425721), (11, 1166499), (31, 413919), (33, 388833), (37, 346797), (93, 137973), (99, 129611), (111, 115599), (113, 113553), (279, 45991), (333, 38533), (339, 37851), (341, 37629), (407, 31527), (1017, 12617), (1023, 12543), (1147, 11187), (1221, 10509), (1243, 10323), (3069, 4181), (3441, 3729), (3503, 3663)]