28808727

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8431}}^1$

素因数の和:8518

約数の個数: 16

約数和(自身を含む): 41283072

約数和(自身を除く): 12474345

約数列:

[1, 3, 17, 51, 67, 201, 1139, 3417, 8431, 25293, 143327, 429981, 564877, 1694631, 9602909, 28808727]

約数ペア:

[(1, 28808727), (3, 9602909), (17, 1694631), (51, 564877), (67, 429981), (201, 143327), (1139, 25293), (3417, 8431)]