138957939

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{1993}}^1$

素因数の和:2187

約数の個数: 24

約数和(自身を含む): 205716992

約数和(自身を除く): 66759053

約数列:

[1, 3, 9, 61, 127, 183, 381, 549, 1143, 1993, 5979, 7747, 17937, 23241, 69723, 121573, 253111, 364719, 759333, 1094157, 2277999, 15439771, 46319313, 138957939]

約数ペア:

[(1, 138957939), (3, 46319313), (9, 15439771), (61, 2277999), (127, 1094157), (183, 759333), (381, 364719), (549, 253111), (1143, 121573), (1993, 69723), (5979, 23241), (7747, 17937)]