139505989

素因数分解:

$7^3\times {\mathrm{173}}^1\times {\mathrm{2351}}^1$

素因数の和:2545

約数の個数: 16

約数和(自身を含む): 163699200

約数和(自身を除く): 24193211

約数列:

[1, 7, 49, 173, 343, 1211, 2351, 8477, 16457, 59339, 115199, 406723, 806393, 2847061, 19929427, 139505989]

約数ペア:

[(1, 139505989), (7, 19929427), (49, 2847061), (173, 806393), (343, 406723), (1211, 115199), (2351, 59339), (8477, 16457)]