81171228

素因数分解:

$2^2\times 3^1\times {\mathrm{1277}}^1\times {\mathrm{5297}}^1$

素因数の和:6581

約数の個数: 24

約数和(自身を含む): 189583632

約数和(自身を除く): 108412404

約数列:

[1, 2, 3, 4, 6, 12, 1277, 2554, 3831, 5108, 5297, 7662, 10594, 15324, 15891, 21188, 31782, 63564, 6764269, 13528538, 20292807, 27057076, 40585614, 81171228]

約数ペア:

[(1, 81171228), (2, 40585614), (3, 27057076), (4, 20292807), (6, 13528538), (12, 6764269), (1277, 63564), (2554, 31782), (3831, 21188), (5108, 15891), (5297, 15324), (7662, 10594)]