156640491

素因数分解:

$3^2\times 7^1\times {\mathrm{1063}}^1\times {\mathrm{2339}}^1$

素因数の和:3415

約数の個数: 24

約数和(自身を含む): 258935040

約数和(自身を除く): 102294549

約数列:

[1, 3, 7, 9, 21, 63, 1063, 2339, 3189, 7017, 7441, 9567, 16373, 21051, 22323, 49119, 66969, 147357, 2486357, 7459071, 17404499, 22377213, 52213497, 156640491]

約数ペア:

[(1, 156640491), (3, 52213497), (7, 22377213), (9, 17404499), (21, 7459071), (63, 2486357), (1063, 147357), (2339, 66969), (3189, 49119), (7017, 22323), (7441, 21051), (9567, 16373)]