28758177

素因数分解:

$3^2\times 7^1\times {\mathrm{283}}^1\times {\mathrm{1613}}^1$

素因数の和:1909

約数の個数: 24

約数和(自身を含む): 47671104

約数和(自身を除く): 18912927

約数列:

[1, 3, 7, 9, 21, 63, 283, 849, 1613, 1981, 2547, 4839, 5943, 11291, 14517, 17829, 33873, 101619, 456479, 1369437, 3195353, 4108311, 9586059, 28758177]

約数ペア:

[(1, 28758177), (3, 9586059), (7, 4108311), (9, 3195353), (21, 1369437), (63, 456479), (283, 101619), (849, 33873), (1613, 17829), (1981, 14517), (2547, 11291), (4839, 5943)]