81465237

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{10513}}^1$

素因数の和:10570

約数の個数: 32

約数和(自身を含む): 141308160

約数和(自身を除く): 59842923

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2583, 7749, 10513, 31539, 73591, 94617, 220773, 283851, 431033, 662319, 1293099, 1986957, 3017231, 3879297, 9051693, 11637891, 27155079, 81465237]

約数ペア:

[(1, 81465237), (3, 27155079), (7, 11637891), (9, 9051693), (21, 3879297), (27, 3017231), (41, 1986957), (63, 1293099), (123, 662319), (189, 431033), (287, 283851), (369, 220773), (861, 94617), (1107, 73591), (2583, 31539), (7749, 10513)]