81212957

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:932

約数の個数: 16

約数和(自身を含む): 94385280

約数和(自身を除く): 13172323

約数列:

[1, 7, 109, 163, 653, 763, 1141, 4571, 17767, 71177, 106439, 124369, 498239, 745073, 11601851, 81212957]

約数ペア:

[(1, 81212957), (7, 11601851), (109, 745073), (163, 498239), (653, 124369), (763, 106439), (1141, 71177), (4571, 17767)]