28871343

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{1663}}^1$

素因数の和:2315

約数の個数: 16

約数和(自身を含む): 42864640

約数和(自身を除く): 13993297

約数列:

[1, 3, 9, 27, 643, 1663, 1929, 4989, 5787, 14967, 17361, 44901, 1069309, 3207927, 9623781, 28871343]

約数ペア:

[(1, 28871343), (3, 9623781), (9, 3207927), (27, 1069309), (643, 44901), (1663, 17361), (1929, 14967), (4989, 5787)]