12813561

素因数分解:

$3^2\times {\mathrm{59}}^2\times {\mathrm{409}}^1$

素因数の和:533

約数の個数: 18

約数和(自身を含む): 18873530

約数和(自身を除く): 6059969

約数列:

[1, 3, 9, 59, 177, 409, 531, 1227, 3481, 3681, 10443, 24131, 31329, 72393, 217179, 1423729, 4271187, 12813561]

約数ペア:

[(1, 12813561), (3, 4271187), (9, 1423729), (59, 217179), (177, 72393), (409, 31329), (531, 24131), (1227, 10443), (3481, 3681)]