78135273

素因数分解:

$3^4\times {\mathrm{359}}^1\times {\mathrm{2687}}^1$

素因数の和:3058

約数の個数: 20

約数和(自身を含む): 117089280

約数和(自身を除く): 38954007

約数列:

[1, 3, 9, 27, 81, 359, 1077, 2687, 3231, 8061, 9693, 24183, 29079, 72549, 217647, 964633, 2893899, 8681697, 26045091, 78135273]

約数ペア:

[(1, 78135273), (3, 26045091), (9, 8681697), (27, 2893899), (81, 964633), (359, 217647), (1077, 72549), (2687, 29079), (3231, 24183), (8061, 9693)]