28276413

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19927}}^1$

素因数の和:19984

約数の個数: 16

約数和(自身を含む): 42087936

約数和(自身を除く): 13811523

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 19927, 59781, 219197, 657591, 856861, 2570583, 9425471, 28276413]

約数ペア:

[(1, 28276413), (3, 9425471), (11, 2570583), (33, 856861), (43, 657591), (129, 219197), (473, 59781), (1419, 19927)]