7913745

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 16556904

約数和(自身を除く): 8643159

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 37, 45, 49, 63, 97, 105, 111, 147, 185, 245, 259, 291, 315, 333, 441, 485, 555, 679, 735, 777, 873, 1295, 1455, 1665, 1813, 2037, 2205, 2331, 3395, 3589, 3885, 4365, 4753, 5439, 6111, 9065, 10185, 10767, 11655, 14259, 16317, 17945, 23765, 25123, 27195, 30555, 32301, 42777, 53835, 71295, 75369, 81585, 125615, 161505, 175861, 213885, 226107, 376845, 527583, 879305, 1130535, 1582749, 2637915, 7913745]

約数ペア:

[(1, 7913745), (3, 2637915), (5, 1582749), (7, 1130535), (9, 879305), (15, 527583), (21, 376845), (35, 226107), (37, 213885), (45, 175861), (49, 161505), (63, 125615), (97, 81585), (105, 75369), (111, 71295), (147, 53835), (185, 42777), (245, 32301), (259, 30555), (291, 27195), (315, 25123), (333, 23765), (441, 17945), (485, 16317), (555, 14259), (679, 11655), (735, 10767), (777, 10185), (873, 9065), (1295, 6111), (1455, 5439), (1665, 4753), (1813, 4365), (2037, 3885), (2205, 3589), (2331, 3395)]