139337233

素因数分解:

$7^4\times {\mathrm{131}}^1\times {\mathrm{443}}^1$

素因数の和:602

約数の個数: 20

約数和(自身を含む): 164161008

約数和(自身を除く): 24823775

約数列:

[1, 7, 49, 131, 343, 443, 917, 2401, 3101, 6419, 21707, 44933, 58033, 151949, 314531, 406231, 1063643, 2843617, 19905319, 139337233]

約数ペア:

[(1, 139337233), (7, 19905319), (49, 2843617), (131, 1063643), (343, 406231), (443, 314531), (917, 151949), (2401, 58033), (3101, 44933), (6419, 21707)]