28979559

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1433}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 49559040

約数和(自身を除く): 20579481

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 1433, 2247, 2889, 4299, 6741, 10031, 12897, 20223, 30093, 38691, 90279, 153331, 270837, 459993, 1073317, 1379979, 3219951, 4139937, 9659853, 28979559]

約数ペア:

[(1, 28979559), (3, 9659853), (7, 4139937), (9, 3219951), (21, 1379979), (27, 1073317), (63, 459993), (107, 270837), (189, 153331), (321, 90279), (749, 38691), (963, 30093), (1433, 20223), (2247, 12897), (2889, 10031), (4299, 6741)]