28505001

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{31567}}^1$

素因数の和:31620

約数の個数: 16

約数和(自身を含む): 44447744

約数和(自身を除く): 15942743

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 31567, 94701, 220969, 662907, 1357381, 4072143, 9501667, 28505001]

約数ペア:

[(1, 28505001), (3, 9501667), (7, 4072143), (21, 1357381), (43, 662907), (129, 220969), (301, 94701), (903, 31567)]