28927881

素因数分解:

$3^3\times {\mathrm{839}}^1\times {\mathrm{1277}}^1$

素因数の和:2125

約数の個数: 16

約数和(自身を含む): 42940800

約数和(自身を除く): 14012919

約数列:

[1, 3, 9, 27, 839, 1277, 2517, 3831, 7551, 11493, 22653, 34479, 1071403, 3214209, 9642627, 28927881]

約数ペア:

[(1, 28927881), (3, 9642627), (9, 3214209), (27, 1071403), (839, 34479), (1277, 22653), (2517, 11493), (3831, 7551)]