81127645

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{4271}}^1$

素因数の和:4436

約数の個数: 16

約数和(自身を含む): 101502720

約数和(自身を除く): 20375075

約数列:

[1, 5, 29, 131, 145, 655, 3799, 4271, 18995, 21355, 123859, 559501, 619295, 2797505, 16225529, 81127645]

約数ペア:

[(1, 81127645), (5, 16225529), (29, 2797505), (131, 619295), (145, 559501), (655, 123859), (3799, 21355), (4271, 18995)]