13247139

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{997}}^1$

素因数の和:1146

約数の個数: 16

約数和(自身を含む): 18267392

約数和(自身を除く): 5020253

約数列:

[1, 3, 43, 103, 129, 309, 997, 2991, 4429, 13287, 42871, 102691, 128613, 308073, 4415713, 13247139]

約数ペア:

[(1, 13247139), (3, 4415713), (43, 308073), (103, 128613), (129, 102691), (309, 42871), (997, 13287), (2991, 4429)]