80827019

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{569}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 101888640

約数和(自身を除く): 21061621

約数列:

[1, 7, 13, 49, 91, 223, 569, 637, 1561, 2899, 3983, 7397, 10927, 20293, 27881, 51779, 126887, 142051, 362453, 888209, 1649531, 6217463, 11546717, 80827019]

約数ペア:

[(1, 80827019), (7, 11546717), (13, 6217463), (49, 1649531), (91, 888209), (223, 362453), (569, 142051), (637, 126887), (1561, 51779), (2899, 27881), (3983, 20293), (7397, 10927)]