81349709

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{6637}}^1$

素因数の和:6764

約数の個数: 16

約数和(自身を含む): 99410688

約数和(自身を除く): 18060979

約数列:

[1, 7, 17, 103, 119, 721, 1751, 6637, 12257, 46459, 112829, 683611, 789803, 4785277, 11621387, 81349709]

約数ペア:

[(1, 81349709), (7, 11621387), (17, 4785277), (103, 789803), (119, 683611), (721, 112829), (1751, 46459), (6637, 12257)]