15263157

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:207

約数の個数: 40

約数和(自身を含む): 25724384

約数和(自身を除く): 10461227

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 163, 273, 343, 489, 637, 1029, 1141, 1911, 2119, 2401, 3423, 4459, 6357, 7203, 7987, 13377, 14833, 23961, 31213, 44499, 55909, 93639, 103831, 167727, 311493, 391363, 726817, 1174089, 2180451, 5087719, 15263157]

約数ペア:

[(1, 15263157), (3, 5087719), (7, 2180451), (13, 1174089), (21, 726817), (39, 391363), (49, 311493), (91, 167727), (147, 103831), (163, 93639), (273, 55909), (343, 44499), (489, 31213), (637, 23961), (1029, 14833), (1141, 13377), (1911, 7987), (2119, 7203), (2401, 6357), (3423, 4459)]