20171728105

素因数分解:

$5^1\times {\mathrm{1871}}^1\times {\mathrm{2156251}}^1$

素因数の和:2158127

約数の個数: 8

約数和(自身を含む): 24219022464

約数和(自身を除く): 4047294359

約数列:

[1, 5, 1871, 9355, 2156251, 10781255, 4034345621, 20171728105]

約数ペア:

[(1, 20171728105), (5, 4034345621), (1871, 10781255), (9355, 2156251)]