66664881

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{1567}}^1$

素因数の和:1765

約数の個数: 24

約数和(自身を含む): 100289280

約数和(自身を除く): 33624399

約数列:

[1, 3, 9, 29, 87, 163, 261, 489, 1467, 1567, 4701, 4727, 14103, 14181, 42543, 45443, 136329, 255421, 408987, 766263, 2298789, 7407209, 22221627, 66664881]

約数ペア:

[(1, 66664881), (3, 22221627), (9, 7407209), (29, 2298789), (87, 766263), (163, 408987), (261, 255421), (489, 136329), (1467, 45443), (1567, 42543), (4701, 14181), (4727, 14103)]