28621665

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2347}}^1$

素因数の和:2629

約数の個数: 24

約数和(自身を含む): 49815168

約数和(自身を除く): 21193503

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 2347, 2439, 4065, 7041, 11735, 12195, 21123, 35205, 105615, 636037, 1908111, 3180185, 5724333, 9540555, 28621665]

約数ペア:

[(1, 28621665), (3, 9540555), (5, 5724333), (9, 3180185), (15, 1908111), (45, 636037), (271, 105615), (813, 35205), (1355, 21123), (2347, 12195), (2439, 11735), (4065, 7041)]