28782081

素因数分解:

$3^3\times {\mathrm{827}}^1\times {\mathrm{1289}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 42724800

約数和(自身を除く): 13942719

約数列:

[1, 3, 9, 27, 827, 1289, 2481, 3867, 7443, 11601, 22329, 34803, 1066003, 3198009, 9594027, 28782081]

約数ペア:

[(1, 28782081), (3, 9594027), (9, 3198009), (27, 1066003), (827, 34803), (1289, 22329), (2481, 11601), (3867, 7443)]