15881411

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2861}}^1$

素因数の和:2942

約数の個数: 16

約数和(自身を含む): 19873728

約数和(自身を除く): 3992317

約数列:

[1, 7, 13, 61, 91, 427, 793, 2861, 5551, 20027, 37193, 174521, 260351, 1221647, 2268773, 15881411]

約数ペア:

[(1, 15881411), (7, 2268773), (13, 1221647), (61, 260351), (91, 174521), (427, 37193), (793, 20027), (2861, 5551)]