31131054

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:207

約数の個数: 80

約数和(自身を含む): 73790640

約数和(自身を除く): 42659586

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 43, 54, 81, 82, 86, 109, 123, 129, 162, 218, 246, 258, 327, 369, 387, 654, 738, 774, 981, 1107, 1161, 1763, 1962, 2214, 2322, 2943, 3321, 3483, 3526, 4469, 4687, 5289, 5886, 6642, 6966, 8829, 8938, 9374, 10578, 13407, 14061, 15867, 17658, 26814, 28122, 31734, 40221, 42183, 47601, 80442, 84366, 95202, 120663, 126549, 142803, 192167, 241326, 253098, 285606, 361989, 379647, 384334, 576501, 723978, 759294, 1153002, 1729503, 3459006, 5188509, 10377018, 15565527, 31131054]

約数ペア:

[(1, 31131054), (2, 15565527), (3, 10377018), (6, 5188509), (9, 3459006), (18, 1729503), (27, 1153002), (41, 759294), (43, 723978), (54, 576501), (81, 384334), (82, 379647), (86, 361989), (109, 285606), (123, 253098), (129, 241326), (162, 192167), (218, 142803), (246, 126549), (258, 120663), (327, 95202), (369, 84366), (387, 80442), (654, 47601), (738, 42183), (774, 40221), (981, 31734), (1107, 28122), (1161, 26814), (1763, 17658), (1962, 15867), (2214, 14061), (2322, 13407), (2943, 10578), (3321, 9374), (3483, 8938), (3526, 8829), (4469, 6966), (4687, 6642), (5289, 5886)]