25997031

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{2309}}^1$

素因数の和:2460

約数の個数: 20

約数和(自身を含む): 39131400

約数和(自身を除く): 13134369

約数列:

[1, 3, 9, 27, 81, 139, 417, 1251, 2309, 3753, 6927, 11259, 20781, 62343, 187029, 320951, 962853, 2888559, 8665677, 25997031]

約数ペア:

[(1, 25997031), (3, 8665677), (9, 2888559), (27, 962853), (81, 320951), (139, 187029), (417, 62343), (1251, 20781), (2309, 11259), (3753, 6927)]