2728431

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:875

約数の個数: 16

約数和(自身を含む): 4076800

約数和(自身を除く): 1348369

約数列:

[1, 3, 9, 27, 139, 417, 727, 1251, 2181, 3753, 6543, 19629, 101053, 303159, 909477, 2728431]

約数ペア:

[(1, 2728431), (3, 909477), (9, 303159), (27, 101053), (139, 19629), (417, 6543), (727, 3753), (1251, 2181)]