87890391

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{33791}}^1$

素因数の和:33831

約数の個数: 18

約数和(自身を含む): 134863872

約数和(自身を除く): 46973481

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 2601, 33791, 101373, 304119, 574447, 1723341, 5170023, 9765599, 29296797, 87890391]

約数ペア:

[(1, 87890391), (3, 29296797), (9, 9765599), (17, 5170023), (51, 1723341), (153, 574447), (289, 304119), (867, 101373), (2601, 33791)]