81423621

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{66037}}^1$

素因数の和:66180

約数の個数: 12

約数和(自身を含む): 118472172

約数和(自身を除く): 37048551

約数列:

[1, 3, 9, 137, 411, 1233, 66037, 198111, 594333, 9047069, 27141207, 81423621]

約数ペア:

[(1, 81423621), (3, 27141207), (9, 9047069), (137, 594333), (411, 198111), (1233, 66037)]