28520373

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79889}}^1$

素因数の和:79916

約数の個数: 16

約数和(自身を含む): 46016640

約数和(自身を除く): 17496267

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 79889, 239667, 559223, 1358113, 1677669, 4074339, 9506791, 28520373]

約数ペア:

[(1, 28520373), (3, 9506791), (7, 4074339), (17, 1677669), (21, 1358113), (51, 559223), (119, 239667), (357, 79889)]