28681737

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{80341}}^1$

素因数の和:80368

約数の個数: 16

約数和(自身を含む): 46276992

約数和(自身を除く): 17595255

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 80341, 241023, 562387, 1365797, 1687161, 4097391, 9560579, 28681737]

約数ペア:

[(1, 28681737), (3, 9560579), (7, 4097391), (17, 1687161), (21, 1365797), (51, 562387), (119, 241023), (357, 80341)]