28724805

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{15569}}^1$

素因数の和:15621

約数の個数: 24

約数和(自身を含む): 51007320

約数和(自身を除く): 22282515

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 15569, 46707, 77845, 140121, 233535, 638329, 700605, 1914987, 3191645, 5744961, 9574935, 28724805]

約数ペア:

[(1, 28724805), (3, 9574935), (5, 5744961), (9, 3191645), (15, 1914987), (41, 700605), (45, 638329), (123, 233535), (205, 140121), (369, 77845), (615, 46707), (1845, 15569)]