28082781

素因数分解:

$3^5\times {\mathrm{163}}^1\times {\mathrm{709}}^1$

素因数の和:887

約数の個数: 24

約数和(自身を含む): 42384160

約数和(自身を除く): 14301379

約数列:

[1, 3, 9, 27, 81, 163, 243, 489, 709, 1467, 2127, 4401, 6381, 13203, 19143, 39609, 57429, 115567, 172287, 346701, 1040103, 3120309, 9360927, 28082781]

約数ペア:

[(1, 28082781), (3, 9360927), (9, 3120309), (27, 1040103), (81, 346701), (163, 172287), (243, 115567), (489, 57429), (709, 39609), (1467, 19143), (2127, 13203), (4401, 6381)]