13871121

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{22123}}^1$

素因数の和:22156

約数の個数: 16

約数和(自身を含む): 21239040

約数和(自身を除く): 7367919

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 22123, 66369, 243353, 420337, 730059, 1261011, 4623707, 13871121]

約数ペア:

[(1, 13871121), (3, 4623707), (11, 1261011), (19, 730059), (33, 420337), (57, 243353), (209, 66369), (627, 22123)]