27821655

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{3793}}^1$

素因数の和:3967

約数の個数: 24

約数和(自身を含む): 48532848

約数和(自身を除く): 20711193

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 3793, 7335, 11379, 18965, 34137, 56895, 170685, 618259, 1854777, 3091295, 5564331, 9273885, 27821655]

約数ペア:

[(1, 27821655), (3, 9273885), (5, 5564331), (9, 3091295), (15, 1854777), (45, 618259), (163, 170685), (489, 56895), (815, 34137), (1467, 18965), (2445, 11379), (3793, 7335)]