1285687431

素因数分解:

$3^3\times 7^2\times {\mathrm{761}}^1\times {\mathrm{1277}}^1$

素因数の和:2061

約数の個数: 48

約数和(自身を含む): 2220346080

約数和(自身を除く): 934658649

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 761, 1277, 1323, 2283, 3831, 5327, 6849, 8939, 11493, 15981, 20547, 26817, 34479, 37289, 47943, 62573, 80451, 111867, 143829, 187719, 241353, 335601, 563157, 971797, 1006803, 1689471, 2915391, 6802579, 8746173, 20407737, 26238519, 47618053, 61223211, 142854159, 183669633, 428562477, 1285687431]

約数ペア:

[(1, 1285687431), (3, 428562477), (7, 183669633), (9, 142854159), (21, 61223211), (27, 47618053), (49, 26238519), (63, 20407737), (147, 8746173), (189, 6802579), (441, 2915391), (761, 1689471), (1277, 1006803), (1323, 971797), (2283, 563157), (3831, 335601), (5327, 241353), (6849, 187719), (8939, 143829), (11493, 111867), (15981, 80451), (20547, 62573), (26817, 47943), (34479, 37289)]