12647907

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 20686848

約数和(自身を除く): 8038941

約数列:

[1, 3, 9, 23, 27, 31, 69, 73, 81, 93, 207, 219, 243, 279, 621, 657, 713, 837, 1679, 1863, 1971, 2139, 2263, 2511, 5037, 5589, 5913, 6417, 6789, 7533, 15111, 17739, 19251, 20367, 45333, 52049, 57753, 61101, 135999, 156147, 173259, 183303, 407997, 468441, 549909, 1405323, 4215969, 12647907]

約数ペア:

[(1, 12647907), (3, 4215969), (9, 1405323), (23, 549909), (27, 468441), (31, 407997), (69, 183303), (73, 173259), (81, 156147), (93, 135999), (207, 61101), (219, 57753), (243, 52049), (279, 45333), (621, 20367), (657, 19251), (713, 17739), (837, 15111), (1679, 7533), (1863, 6789), (1971, 6417), (2139, 5913), (2263, 5589), (2511, 5037)]