17979543

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:276

約数の個数: 32

約数和(自身を含む): 27578880

約数和(自身を除く): 9599337

約数列:

[1, 3, 9, 27, 71, 83, 113, 213, 249, 339, 639, 747, 1017, 1917, 2241, 3051, 5893, 8023, 9379, 17679, 24069, 28137, 53037, 72207, 84411, 159111, 216621, 253233, 665909, 1997727, 5993181, 17979543]

約数ペア:

[(1, 17979543), (3, 5993181), (9, 1997727), (27, 665909), (71, 253233), (83, 216621), (113, 159111), (213, 84411), (249, 72207), (339, 53037), (639, 28137), (747, 24069), (1017, 17679), (1917, 9379), (2241, 8023), (3051, 5893)]