28143063

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{18503}}^1$

素因数の和:18535

約数の個数: 18

約数和(自身を含む): 44021016

約数和(自身を除く): 15877953

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 18503, 55509, 166527, 240539, 721617, 2164851, 3127007, 9381021, 28143063]

約数ペア:

[(1, 28143063), (3, 9381021), (9, 3127007), (13, 2164851), (39, 721617), (117, 240539), (169, 166527), (507, 55509), (1521, 18503)]