55120221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2441}}^1$

素因数の和:2653

約数の個数: 24

約数和(自身を含む): 86222136

約数和(自身を除く): 31101915

約数列:

[1, 3, 9, 13, 39, 117, 193, 579, 1737, 2441, 2509, 7323, 7527, 21969, 22581, 31733, 95199, 285597, 471113, 1413339, 4240017, 6124469, 18373407, 55120221]

約数ペア:

[(1, 55120221), (3, 18373407), (9, 6124469), (13, 4240017), (39, 1413339), (117, 471113), (193, 285597), (579, 95199), (1737, 31733), (2441, 22581), (2509, 21969), (7323, 7527)]