28608309

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{2339}}^1$

素因数の和:2502

約数の個数: 20

約数和(自身を含む): 43037280

約数和(自身を除く): 14428971

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 2339, 4077, 7017, 12231, 21051, 63153, 189459, 353189, 1059567, 3178701, 9536103, 28608309]

約数ペア:

[(1, 28608309), (3, 9536103), (9, 3178701), (27, 1059567), (81, 353189), (151, 189459), (453, 63153), (1359, 21051), (2339, 12231), (4077, 7017)]