66860397

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{26627}}^1$

素因数の和:26670

約数の個数: 20

約数和(自身を含む): 103103616

約数和(自身を除く): 36243219

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 26627, 79881, 239643, 718929, 825437, 2156787, 2476311, 7428933, 22286799, 66860397]

約数ペア:

[(1, 66860397), (3, 22286799), (9, 7428933), (27, 2476311), (31, 2156787), (81, 825437), (93, 718929), (279, 239643), (837, 79881), (2511, 26627)]