28784301

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{105437}}^1$

素因数の和:105460

約数の個数: 16

約数和(自身を含む): 47236224

約数和(自身を除く): 18451923

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 105437, 316311, 738059, 1370681, 2214177, 4112043, 9594767, 28784301]

約数ペア:

[(1, 28784301), (3, 9594767), (7, 4112043), (13, 2214177), (21, 1370681), (39, 738059), (91, 316311), (273, 105437)]