28167759

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{2593}}^1$

素因数の和:2687

約数の個数: 24

約数和(自身を含む): 43703712

約数和(自身を除く): 15535953

約数列:

[1, 3, 9, 17, 51, 71, 153, 213, 639, 1207, 2593, 3621, 7779, 10863, 23337, 44081, 132243, 184103, 396729, 552309, 1656927, 3129751, 9389253, 28167759]

約数ペア:

[(1, 28167759), (3, 9389253), (9, 3129751), (17, 1656927), (51, 552309), (71, 396729), (153, 184103), (213, 132243), (639, 44081), (1207, 23337), (2593, 10863), (3621, 7779)]