28227987

素因数分解:

$3^3\times {\mathrm{193}}^1\times {\mathrm{5417}}^1$

素因数の和:5619

約数の個数: 16

約数和(自身を含む): 42043680

約数和(自身を除く): 13815693

約数列:

[1, 3, 9, 27, 193, 579, 1737, 5211, 5417, 16251, 48753, 146259, 1045481, 3136443, 9409329, 28227987]

約数ペア:

[(1, 28227987), (3, 9409329), (9, 3136443), (27, 1045481), (193, 146259), (579, 48753), (1737, 16251), (5211, 5417)]