391330290969

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{612410471}}^1$

素因数の和:612410548

約数の個数: 12

約数和(自身を含む): 573216201792

約数和(自身を除く): 181885910823

約数列:

[1, 3, 9, 71, 213, 639, 612410471, 1837231413, 5511694239, 43481143441, 130443430323, 391330290969]

約数ペア:

[(1, 391330290969), (3, 130443430323), (9, 43481143441), (71, 5511694239), (213, 1837231413), (639, 612410471)]