259747479

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 396744480

約数和(自身を除く): 136997001

約数列:

[1, 3, 9, 27, 81, 89, 137, 263, 267, 411, 789, 801, 1233, 2367, 2403, 3699, 7101, 7209, 11097, 12193, 21303, 23407, 36031, 36579, 70221, 108093, 109737, 210663, 324279, 329211, 631989, 972837, 987633, 1895967, 2918511, 3206759, 9620277, 28860831, 86582493, 259747479]

約数ペア:

[(1, 259747479), (3, 86582493), (9, 28860831), (27, 9620277), (81, 3206759), (89, 2918511), (137, 1895967), (263, 987633), (267, 972837), (411, 631989), (789, 329211), (801, 324279), (1233, 210663), (2367, 109737), (2403, 108093), (3699, 70221), (7101, 36579), (7209, 36031), (11097, 23407), (12193, 21303)]