15401281

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{521}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 18240768

約数和(自身を除く): 2839487

約数列:

[1, 7, 41, 103, 287, 521, 721, 3647, 4223, 21361, 29561, 53663, 149527, 375641, 2200183, 15401281]

約数ペア:

[(1, 15401281), (7, 2200183), (41, 375641), (103, 149527), (287, 53663), (521, 29561), (721, 21361), (3647, 4223)]