137185713

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 234089856

約数和(自身を除く): 96904143

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 173, 287, 307, 369, 519, 861, 921, 1211, 1557, 2149, 2583, 2763, 3633, 6447, 7093, 10899, 12587, 19341, 21279, 37761, 49651, 53111, 63837, 88109, 113283, 148953, 159333, 264327, 371777, 446859, 477999, 792981, 1115331, 2177551, 3345993, 6532653, 15242857, 19597959, 45728571, 137185713]

約数ペア:

[(1, 137185713), (3, 45728571), (7, 19597959), (9, 15242857), (21, 6532653), (41, 3345993), (63, 2177551), (123, 1115331), (173, 792981), (287, 477999), (307, 446859), (369, 371777), (519, 264327), (861, 159333), (921, 148953), (1211, 113283), (1557, 88109), (2149, 63837), (2583, 53111), (2763, 49651), (3633, 37761), (6447, 21279), (7093, 19341), (10899, 12587)]