5220243

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 9225216

約数和(自身を除く): 4004973

約数列:

[1, 3, 7, 9, 21, 41, 43, 47, 63, 123, 129, 141, 287, 301, 329, 369, 387, 423, 861, 903, 987, 1763, 1927, 2021, 2583, 2709, 2961, 5289, 5781, 6063, 12341, 13489, 14147, 15867, 17343, 18189, 37023, 40467, 42441, 82861, 111069, 121401, 127323, 248583, 580027, 745749, 1740081, 5220243]

約数ペア:

[(1, 5220243), (3, 1740081), (7, 745749), (9, 580027), (21, 248583), (41, 127323), (43, 121401), (47, 111069), (63, 82861), (123, 42441), (129, 40467), (141, 37023), (287, 18189), (301, 17343), (329, 15867), (369, 14147), (387, 13489), (423, 12341), (861, 6063), (903, 5781), (987, 5289), (1763, 2961), (1927, 2709), (2021, 2583)]