81737361

素因数分解:

$3^2\times {\mathrm{59}}^2\times {\mathrm{2609}}^1$

素因数の和:2733

約数の個数: 18

約数和(自身を含む): 120146130

約数和(自身を除く): 38408769

約数列:

[1, 3, 9, 59, 177, 531, 2609, 3481, 7827, 10443, 23481, 31329, 153931, 461793, 1385379, 9081929, 27245787, 81737361]

約数ペア:

[(1, 81737361), (3, 27245787), (9, 9081929), (59, 1385379), (177, 461793), (531, 153931), (2609, 31329), (3481, 23481), (7827, 10443)]