28768959

素因数分解:

$3^3\times {\mathrm{419}}^1\times {\mathrm{2543}}^1$

素因数の和:2971

約数の個数: 16

約数和(自身を含む): 42739200

約数和(自身を除く): 13970241

約数列:

[1, 3, 9, 27, 419, 1257, 2543, 3771, 7629, 11313, 22887, 68661, 1065517, 3196551, 9589653, 28768959]

約数ペア:

[(1, 28768959), (3, 9589653), (9, 3196551), (27, 1065517), (419, 68661), (1257, 22887), (2543, 11313), (3771, 7629)]