71388621

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{5407}}^1$

素因数の和:5582

約数の個数: 20

約数和(自身を含む): 107316352

約数和(自身を除く): 35927731

約数列:

[1, 3, 9, 27, 81, 163, 489, 1467, 4401, 5407, 13203, 16221, 48663, 145989, 437967, 881341, 2644023, 7932069, 23796207, 71388621]

約数ペア:

[(1, 71388621), (3, 23796207), (9, 7932069), (27, 2644023), (81, 881341), (163, 437967), (489, 145989), (1467, 48663), (4401, 16221), (5407, 13203)]