28465689

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7489}}^1$

素因数の和:7680

約数の個数: 16

約数和(自身を含む): 43621760

約数和(自身を除く): 15156071

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 7489, 22467, 52423, 157269, 1355509, 4066527, 9488563, 28465689]

約数ペア:

[(1, 28465689), (3, 9488563), (7, 4066527), (21, 1355509), (181, 157269), (543, 52423), (1267, 22467), (3801, 7489)]