247054239

素因数分解:

$3^3\times {\mathrm{2081}}^1\times {\mathrm{4397}}^1$

素因数の和:6487

約数の個数: 16

約数和(自身を含む): 366265440

約数和(自身を除く): 119211201

約数列:

[1, 3, 9, 27, 2081, 4397, 6243, 13191, 18729, 39573, 56187, 118719, 9150157, 27450471, 82351413, 247054239]

約数ペア:

[(1, 247054239), (3, 82351413), (9, 27450471), (27, 9150157), (2081, 118719), (4397, 56187), (6243, 39573), (13191, 18729)]