15391881

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{90011}}^1$

素因数の和:90036

約数の個数: 12

約数和(自身を含む): 23403120

約数和(自身を除く): 8011239

約数列:

[1, 3, 9, 19, 57, 171, 90011, 270033, 810099, 1710209, 5130627, 15391881]

約数ペア:

[(1, 15391881), (3, 5130627), (9, 1710209), (19, 810099), (57, 270033), (171, 90011)]