81362687

素因数分解:

$7^5\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 97883136

約数和(自身を除く): 16520449

約数列:

[1, 7, 47, 49, 103, 329, 343, 721, 2303, 2401, 4841, 5047, 16121, 16807, 33887, 35329, 112847, 237209, 247303, 789929, 1660463, 1731121, 11623241, 81362687]

約数ペア:

[(1, 81362687), (7, 11623241), (47, 1731121), (49, 1660463), (103, 789929), (329, 247303), (343, 237209), (721, 112847), (2303, 35329), (2401, 33887), (4841, 16807), (5047, 16121)]