11987745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 24385536

約数和(自身を除く): 12397791

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 97, 105, 107, 165, 231, 291, 321, 385, 485, 535, 679, 749, 1067, 1155, 1177, 1455, 1605, 2037, 2247, 3201, 3395, 3531, 3745, 5335, 5885, 7469, 8239, 10185, 10379, 11235, 16005, 17655, 22407, 24717, 31137, 37345, 41195, 51895, 72653, 112035, 114169, 123585, 155685, 217959, 342507, 363265, 570845, 799183, 1089795, 1712535, 2397549, 3995915, 11987745]

約数ペア:

[(1, 11987745), (3, 3995915), (5, 2397549), (7, 1712535), (11, 1089795), (15, 799183), (21, 570845), (33, 363265), (35, 342507), (55, 217959), (77, 155685), (97, 123585), (105, 114169), (107, 112035), (165, 72653), (231, 51895), (291, 41195), (321, 37345), (385, 31137), (485, 24717), (535, 22407), (679, 17655), (749, 16005), (1067, 11235), (1155, 10379), (1177, 10185), (1455, 8239), (1605, 7469), (2037, 5885), (2247, 5335), (3201, 3745), (3395, 3531)]