218294427

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{557}}^1\times {\mathrm{773}}^1$

素因数の和:1359

約数の個数: 24

約数和(自身を含む): 316144944

約数和(自身を除く): 97850517

約数列:

[1, 3, 13, 39, 169, 507, 557, 773, 1671, 2319, 7241, 10049, 21723, 30147, 94133, 130637, 282399, 391911, 430561, 1291683, 5597293, 16791879, 72764809, 218294427]

約数ペア:

[(1, 218294427), (3, 72764809), (13, 16791879), (39, 5597293), (169, 1291683), (507, 430561), (557, 391911), (773, 282399), (1671, 130637), (2319, 94133), (7241, 30147), (10049, 21723)]