81615558

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{99289}}^1$

素因数の和:99431

約数の個数: 16

約数和(自身を含む): 164424240

約数和(自身を除く): 82808682

約数列:

[1, 2, 3, 6, 137, 274, 411, 822, 99289, 198578, 297867, 595734, 13602593, 27205186, 40807779, 81615558]

約数ペア:

[(1, 81615558), (2, 40807779), (3, 27205186), (6, 13602593), (137, 595734), (274, 297867), (411, 198578), (822, 99289)]