26661271

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:791

約数の個数: 24

約数和(自身を含む): 34105344

約数和(自身を除く): 7444073

約数列:

[1, 7, 13, 31, 91, 169, 217, 403, 727, 1183, 2821, 5089, 5239, 9451, 22537, 36673, 66157, 122863, 157759, 292981, 860041, 2050867, 3808753, 26661271]

約数ペア:

[(1, 26661271), (7, 3808753), (13, 2050867), (31, 860041), (91, 292981), (169, 157759), (217, 122863), (403, 66157), (727, 36673), (1183, 22537), (2821, 9451), (5089, 5239)]