28986903

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{32533}}^1$

素因数の和:32556

約数の個数: 20

約数和(自身を含む): 47239368

約数和(自身を除く): 18252465

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 32533, 97599, 292797, 357863, 878391, 1073589, 2635173, 3220767, 9662301, 28986903]

約数ペア:

[(1, 28986903), (3, 9662301), (9, 3220767), (11, 2635173), (27, 1073589), (33, 878391), (81, 357863), (99, 292797), (297, 97599), (891, 32533)]