128136841

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{7727}}^1$

素因数の和:7860

約数の個数: 16

約数和(自身を含む): 154312704

約数和(自身を除く): 26175863

約数列:

[1, 7, 23, 103, 161, 721, 2369, 7727, 16583, 54089, 177721, 795881, 1244047, 5571167, 18305263, 128136841]

約数ペア:

[(1, 128136841), (7, 18305263), (23, 5571167), (103, 1244047), (161, 795881), (721, 177721), (2369, 54089), (7727, 16583)]