71147559

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 115335168

約数和(自身を除く): 44187609

約数列:

[1, 3, 7, 21, 37, 49, 103, 111, 127, 147, 259, 309, 381, 721, 777, 889, 1813, 2163, 2667, 3811, 4699, 5047, 5439, 6223, 11433, 13081, 14097, 15141, 18669, 26677, 32893, 39243, 80031, 91567, 98679, 186739, 230251, 274701, 483997, 560217, 640969, 690753, 1451991, 1922907, 3387979, 10163937, 23715853, 71147559]

約数ペア:

[(1, 71147559), (3, 23715853), (7, 10163937), (21, 3387979), (37, 1922907), (49, 1451991), (103, 690753), (111, 640969), (127, 560217), (147, 483997), (259, 274701), (309, 230251), (381, 186739), (721, 98679), (777, 91567), (889, 80031), (1813, 39243), (2163, 32893), (2667, 26677), (3811, 18669), (4699, 15141), (5047, 14097), (5439, 13081), (6223, 11433)]