124455555

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 128

約数和(自身を含む): 274268160

約数和(自身を除く): 149812605

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 61, 63, 85, 105, 119, 127, 135, 153, 183, 189, 255, 305, 315, 357, 381, 427, 459, 549, 595, 635, 765, 889, 915, 945, 1037, 1071, 1143, 1281, 1647, 1785, 1905, 2135, 2159, 2295, 2667, 2745, 3111, 3213, 3429, 3843, 4445, 5185, 5355, 5715, 6405, 6477, 7259, 7747, 8001, 8235, 9333, 10795, 11529, 13335, 15113, 15555, 16065, 17145, 19215, 19431, 21777, 23241, 24003, 27999, 32385, 36295, 38735, 40005, 45339, 46665, 54229, 57645, 58293, 65331, 69723, 75565, 97155, 108885, 116205, 120015, 131699, 136017, 139995, 162687, 195993, 209169, 226695, 271145, 291465, 326655, 348615, 395097, 408051, 488061, 658495, 680085, 813435, 921893, 979965, 1045845, 1185291, 1464183, 1975485, 2040255, 2440305, 2765679, 3555873, 4609465, 5926455, 7320915, 8297037, 13828395, 17779365, 24891111, 41485185, 124455555]

約数ペア:

[(1, 124455555), (3, 41485185), (5, 24891111), (7, 17779365), (9, 13828395), (15, 8297037), (17, 7320915), (21, 5926455), (27, 4609465), (35, 3555873), (45, 2765679), (51, 2440305), (61, 2040255), (63, 1975485), (85, 1464183), (105, 1185291), (119, 1045845), (127, 979965), (135, 921893), (153, 813435), (183, 680085), (189, 658495), (255, 488061), (305, 408051), (315, 395097), (357, 348615), (381, 326655), (427, 291465), (459, 271145), (549, 226695), (595, 209169), (635, 195993), (765, 162687), (889, 139995), (915, 136017), (945, 131699), (1037, 120015), (1071, 116205), (1143, 108885), (1281, 97155), (1647, 75565), (1785, 69723), (1905, 65331), (2135, 58293), (2159, 57645), (2295, 54229), (2667, 46665), (2745, 45339), (3111, 40005), (3213, 38735), (3429, 36295), (3843, 32385), (4445, 27999), (5185, 24003), (5355, 23241), (5715, 21777), (6405, 19431), (6477, 19215), (7259, 17145), (7747, 16065), (8001, 15555), (8235, 15113), (9333, 13335), (10795, 11529)]