161667

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:111

約数の個数: 24

約数和(自身を含む): 269568

約数和(自身を除く): 107901

約数列:

[1, 3, 9, 11, 23, 33, 69, 71, 99, 207, 213, 253, 639, 759, 781, 1633, 2277, 2343, 4899, 7029, 14697, 17963, 53889, 161667]

約数ペア:

[(1, 161667), (3, 53889), (9, 17963), (11, 14697), (23, 7029), (33, 4899), (69, 2343), (71, 2277), (99, 1633), (207, 781), (213, 759), (253, 639)]