27903213

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3359}}^1$

素因数の和:3449

約数の個数: 24

約数和(自身を含む): 44029440

約数和(自身を除く): 16126227

約数列:

[1, 3, 9, 13, 39, 71, 117, 213, 639, 923, 2769, 3359, 8307, 10077, 30231, 43667, 131001, 238489, 393003, 715467, 2146401, 3100357, 9301071, 27903213]

約数ペア:

[(1, 27903213), (3, 9301071), (9, 3100357), (13, 2146401), (39, 715467), (71, 393003), (117, 238489), (213, 131001), (639, 43667), (923, 30231), (2769, 10077), (3359, 8307)]