81390546

素因数分解:

$2^1\times 3^2\times {\mathrm{1663}}^1\times {\mathrm{2719}}^1$

素因数の和:4390

約数の個数: 24

約数和(自身を含む): 176517120

約数和(自身を除く): 95126574

約数列:

[1, 2, 3, 6, 9, 18, 1663, 2719, 3326, 4989, 5438, 8157, 9978, 14967, 16314, 24471, 29934, 48942, 4521697, 9043394, 13565091, 27130182, 40695273, 81390546]

約数ペア:

[(1, 81390546), (2, 40695273), (3, 27130182), (6, 13565091), (9, 9043394), (18, 4521697), (1663, 48942), (2719, 29934), (3326, 24471), (4989, 16314), (5438, 14967), (8157, 9978)]