71285643

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{499}}^1$

素因数の和:569

約数の個数: 64

約数和(自身を含む): 127680000

約数和(自身を除く): 56394357

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 99, 111, 117, 143, 297, 333, 351, 407, 429, 481, 499, 999, 1221, 1287, 1443, 1497, 3663, 3861, 4329, 4491, 5291, 5489, 6487, 10989, 12987, 13473, 15873, 16467, 18463, 19461, 47619, 49401, 55389, 58383, 71357, 142857, 148203, 166167, 175149, 203093, 214071, 240019, 498501, 609279, 642213, 720057, 1827837, 1926639, 2160171, 2640209, 5483511, 6480513, 7920627, 23761881, 71285643]

約数ペア:

[(1, 71285643), (3, 23761881), (9, 7920627), (11, 6480513), (13, 5483511), (27, 2640209), (33, 2160171), (37, 1926639), (39, 1827837), (99, 720057), (111, 642213), (117, 609279), (143, 498501), (297, 240019), (333, 214071), (351, 203093), (407, 175149), (429, 166167), (481, 148203), (499, 142857), (999, 71357), (1221, 58383), (1287, 55389), (1443, 49401), (1497, 47619), (3663, 19461), (3861, 18463), (4329, 16467), (4491, 15873), (5291, 13473), (5489, 12987), (6487, 10989)]