81222215

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{3457}}^1$

素因数の和:3626

約数の個数: 16

約数和(自身を含む): 100918272

約数和(自身を除く): 19696057

約数列:

[1, 5, 37, 127, 185, 635, 3457, 4699, 17285, 23495, 127909, 439039, 639545, 2195195, 16244443, 81222215]

約数ペア:

[(1, 81222215), (5, 16244443), (37, 2195195), (127, 639545), (185, 439039), (635, 127909), (3457, 23495), (4699, 17285)]