13138479

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 19936800

約数和(自身を除く): 6798321

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 709, 2059, 2127, 6177, 6381, 18531, 20561, 50339, 61683, 151017, 185049, 453051, 1459831, 4379493, 13138479]

約数ペア:

[(1, 13138479), (3, 4379493), (9, 1459831), (29, 453051), (71, 185049), (87, 151017), (213, 61683), (261, 50339), (639, 20561), (709, 18531), (2059, 6381), (2127, 6177)]