81656521

素因数分解:

${\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 85896720

約数和(自身を除く): 4240199

約数列:

[1, 37, 89, 137, 181, 3293, 5069, 6697, 12193, 16109, 24797, 451141, 596033, 917489, 2206933, 81656521]

約数ペア:

[(1, 81656521), (37, 2206933), (89, 917489), (137, 596033), (181, 451141), (3293, 24797), (5069, 16109), (6697, 12193)]