139771373

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:641

約数の個数: 24

約数和(自身を含む): 167640192

約数和(自身を除く): 27868819

約数列:

[1, 7, 47, 49, 137, 329, 443, 959, 2303, 3101, 6439, 6713, 20821, 21707, 45073, 60691, 145747, 315511, 424837, 1020229, 2852477, 2973859, 19967339, 139771373]

約数ペア:

[(1, 139771373), (7, 19967339), (47, 2973859), (49, 2852477), (137, 1020229), (329, 424837), (443, 315511), (959, 145747), (2303, 60691), (3101, 45073), (6439, 21707), (6713, 20821)]