31171231

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{4127}}^1$

素因数の和:4230

約数の個数: 16

約数和(自身を含む): 38836224

約数和(自身を除く): 7664993

約数列:

[1, 7, 13, 83, 91, 581, 1079, 4127, 7553, 28889, 53651, 342541, 375557, 2397787, 4453033, 31171231]

約数ペア:

[(1, 31171231), (7, 4453033), (13, 2397787), (83, 375557), (91, 342541), (581, 53651), (1079, 28889), (4127, 7553)]