15220023

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 25191936

約数和(自身を除く): 9971913

約数列:

[1, 3, 7, 13, 21, 39, 91, 197, 273, 283, 591, 849, 1379, 1981, 2561, 3679, 4137, 5943, 7683, 11037, 17927, 25753, 53781, 55751, 77259, 167253, 390257, 724763, 1170771, 2174289, 5073341, 15220023]

約数ペア:

[(1, 15220023), (3, 5073341), (7, 2174289), (13, 1170771), (21, 724763), (39, 390257), (91, 167253), (197, 77259), (273, 55751), (283, 53781), (591, 25753), (849, 17927), (1379, 11037), (1981, 7683), (2561, 5943), (3679, 4137)]