205995999

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{367}}^1$

素因数の和:687

約数の個数: 32

約数和(自身を含む): 305869824

約数和(自身を除く): 99873825

約数列:

[1, 3, 11, 33, 73, 219, 233, 367, 699, 803, 1101, 2409, 2563, 4037, 7689, 12111, 17009, 26791, 51027, 80373, 85511, 187099, 256533, 294701, 561297, 884103, 940621, 2821863, 6242303, 18726909, 68665333, 205995999]

約数ペア:

[(1, 205995999), (3, 68665333), (11, 18726909), (33, 6242303), (73, 2821863), (219, 940621), (233, 884103), (367, 561297), (699, 294701), (803, 256533), (1101, 187099), (2409, 85511), (2563, 80373), (4037, 51027), (7689, 26791), (12111, 17009)]