81009215

素因数分解:

$5^1\times 7^1\times {\mathrm{809}}^1\times {\mathrm{2861}}^1$

素因数の和:3682

約数の個数: 16

約数和(自身を含む): 111274560

約数和(自身を除く): 30265345

約数列:

[1, 5, 7, 35, 809, 2861, 4045, 5663, 14305, 20027, 28315, 100135, 2314549, 11572745, 16201843, 81009215]

約数ペア:

[(1, 81009215), (5, 16201843), (7, 11572745), (35, 2314549), (809, 100135), (2861, 28315), (4045, 20027), (5663, 14305)]