57107997

素因数分解:

$3^4\times {\mathrm{311}}^1\times {\mathrm{2267}}^1$

素因数の和:2590

約数の個数: 20

約数和(自身を含む): 85621536

約数和(自身を除く): 28513539

約数列:

[1, 3, 9, 27, 81, 311, 933, 2267, 2799, 6801, 8397, 20403, 25191, 61209, 183627, 705037, 2115111, 6345333, 19035999, 57107997]

約数ペア:

[(1, 57107997), (3, 19035999), (9, 6345333), (27, 2115111), (81, 705037), (311, 183627), (933, 61209), (2267, 25191), (2799, 20403), (6801, 8397)]