28666251

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{24691}}^1$

素因数の和:24743

約数の個数: 16

約数和(自身を含む): 43457920

約数和(自身を除く): 14791669

約数列:

[1, 3, 9, 27, 43, 129, 387, 1161, 24691, 74073, 222219, 666657, 1061713, 3185139, 9555417, 28666251]

約数ペア:

[(1, 28666251), (3, 9555417), (9, 3185139), (27, 1061713), (43, 666657), (129, 222219), (387, 74073), (1161, 24691)]