13891031

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2027}}^1$

素因数の和:2134

約数の個数: 16

約数和(自身を含む): 17521920

約数和(自身を除く): 3630889

約数列:

[1, 7, 11, 77, 89, 623, 979, 2027, 6853, 14189, 22297, 156079, 180403, 1262821, 1984433, 13891031]

約数ペア:

[(1, 13891031), (7, 1984433), (11, 1262821), (77, 180403), (89, 156079), (623, 22297), (979, 14189), (2027, 6853)]