31457241

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{8263}}^1$

素因数の和:8322

約数の個数: 20

約数和(自身を含む): 47997312

約数和(自身を除く): 16540071

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 8263, 24789, 74367, 223101, 388361, 669303, 1165083, 3495249, 10485747, 31457241]

約数ペア:

[(1, 31457241), (3, 10485747), (9, 3495249), (27, 1165083), (47, 669303), (81, 388361), (141, 223101), (423, 74367), (1269, 24789), (3807, 8263)]