25171479

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{2851}}^1$

素因数の和:2972

約数の個数: 20

約数和(自身を含む): 37960120

約数和(自身を除く): 12788641

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2851, 2943, 8553, 8829, 25659, 76977, 230931, 310759, 932277, 2796831, 8390493, 25171479]

約数ペア:

[(1, 25171479), (3, 8390493), (9, 2796831), (27, 932277), (81, 310759), (109, 230931), (327, 76977), (981, 25659), (2851, 8829), (2943, 8553)]