138839393

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{23417}}^1$

素因数の和:23453

約数の個数: 18

約数和(自身を含む): 177531858

約数和(自身を除く): 38692465

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 23417, 163919, 257587, 1147433, 1803109, 2833457, 12621763, 19834199, 138839393]

約数ペア:

[(1, 138839393), (7, 19834199), (11, 12621763), (49, 2833457), (77, 1803109), (121, 1147433), (539, 257587), (847, 163919), (5929, 23417)]