13305019

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{20887}}^1$

素因数の和:20914

約数の個数: 12

約数和(自身を含む): 16668624

約数和(自身を除く): 3363605

約数列:

[1, 7, 13, 49, 91, 637, 20887, 146209, 271531, 1023463, 1900717, 13305019]

約数ペア:

[(1, 13305019), (7, 1900717), (13, 1023463), (49, 271531), (91, 146209), (637, 20887)]