82278651

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{163}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 139082496

約数和(自身を除く): 56803845

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 163, 273, 301, 489, 559, 903, 1141, 1677, 1849, 2119, 3423, 3913, 5547, 6357, 7009, 11739, 12943, 14833, 21027, 24037, 38829, 44499, 49063, 72111, 91117, 147189, 168259, 273351, 301387, 504777, 637819, 904161, 1913457, 2109709, 3918031, 6329127, 11754093, 27426217, 82278651]

約数ペア:

[(1, 82278651), (3, 27426217), (7, 11754093), (13, 6329127), (21, 3918031), (39, 2109709), (43, 1913457), (91, 904161), (129, 637819), (163, 504777), (273, 301387), (301, 273351), (489, 168259), (559, 147189), (903, 91117), (1141, 72111), (1677, 49063), (1849, 44499), (2119, 38829), (3423, 24037), (3913, 21027), (5547, 14833), (6357, 12943), (7009, 11739)]