81209485

素因数分解:

$5^1\times 7^1\times {\mathrm{811}}^1\times {\mathrm{2861}}^1$

素因数の和:3684

約数の個数: 16

約数和(自身を含む): 111549312

約数和(自身を除く): 30339827

約数列:

[1, 5, 7, 35, 811, 2861, 4055, 5677, 14305, 20027, 28385, 100135, 2320271, 11601355, 16241897, 81209485]

約数ペア:

[(1, 81209485), (5, 16241897), (7, 11601355), (35, 2320271), (811, 100135), (2861, 28385), (4055, 20027), (5677, 14305)]