426808277

素因数分解:

$7^3\times {\mathrm{61}}^1\times {\mathrm{20399}}^1$

素因数の和:20481

約数の個数: 16

約数和(自身を含む): 505920000

約数和(自身を除く): 79111723

約数列:

[1, 7, 49, 61, 343, 427, 2989, 20399, 20923, 142793, 999551, 1244339, 6996857, 8710373, 60972611, 426808277]

約数ペア:

[(1, 426808277), (7, 60972611), (49, 8710373), (61, 6996857), (343, 1244339), (427, 999551), (2989, 142793), (20399, 20923)]