28766673

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{18913}}^1$

素因数の和:18945

約数の個数: 18

約数和(自身を含む): 44996406

約数和(自身を除く): 16229733

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 18913, 56739, 170217, 245869, 737607, 2212821, 3196297, 9588891, 28766673]

約数ペア:

[(1, 28766673), (3, 9588891), (9, 3196297), (13, 2212821), (39, 737607), (117, 245869), (169, 170217), (507, 56739), (1521, 18913)]