78877953

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2647}}^1$

素因数の和:2714

約数の個数: 48

約数和(自身を含む): 145406976

約数和(自身を除く): 66529023

約数列:

[1, 3, 7, 9, 11, 21, 33, 43, 63, 77, 99, 129, 231, 301, 387, 473, 693, 903, 1419, 2647, 2709, 3311, 4257, 7941, 9933, 18529, 23823, 29117, 29799, 55587, 87351, 113821, 166761, 203819, 262053, 341463, 611457, 796747, 1024389, 1252031, 1834371, 2390241, 3756093, 7170723, 8764217, 11268279, 26292651, 78877953]

約数ペア:

[(1, 78877953), (3, 26292651), (7, 11268279), (9, 8764217), (11, 7170723), (21, 3756093), (33, 2390241), (43, 1834371), (63, 1252031), (77, 1024389), (99, 796747), (129, 611457), (231, 341463), (301, 262053), (387, 203819), (473, 166761), (693, 113821), (903, 87351), (1419, 55587), (2647, 29799), (2709, 29117), (3311, 23823), (4257, 18529), (7941, 9933)]