28757217

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{10639}}^1$

素因数の和:10712

約数の個数: 16

約数和(自身を含む): 41368320

約数和(自身を除く): 12611103

約数列:

[1, 3, 17, 51, 53, 159, 901, 2703, 10639, 31917, 180863, 542589, 563867, 1691601, 9585739, 28757217]

約数ペア:

[(1, 28757217), (3, 9585739), (17, 1691601), (51, 563867), (53, 542589), (159, 180863), (901, 31917), (2703, 10639)]