28249179

素因数分解:

$3^1\times 7^1\times {\mathrm{677}}^1\times {\mathrm{1987}}^1$

素因数の和:2674

約数の個数: 16

約数和(自身を含む): 43131648

約数和(自身を除く): 14882469

約数列:

[1, 3, 7, 21, 677, 1987, 2031, 4739, 5961, 13909, 14217, 41727, 1345199, 4035597, 9416393, 28249179]

約数ペア:

[(1, 28249179), (3, 9416393), (7, 4035597), (21, 1345199), (677, 41727), (1987, 14217), (2031, 13909), (4739, 5961)]