9781681

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6323}}^1$

素因数の和:6360

約数の個数: 16

約数和(自身を含む): 12749184

約数和(自身を除く): 2967503

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 6323, 44261, 82199, 107491, 575393, 752437, 1397383, 9781681]

約数ペア:

[(1, 9781681), (7, 1397383), (13, 752437), (17, 575393), (91, 107491), (119, 82199), (221, 44261), (1547, 6323)]