28242903

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1109}}^1$

素因数の和:1778

約数の個数: 16

約数和(自身を含む): 40652640

約数和(自身を除く): 12409737

約数列:

[1, 3, 13, 39, 653, 1109, 1959, 3327, 8489, 14417, 25467, 43251, 724177, 2172531, 9414301, 28242903]

約数ペア:

[(1, 28242903), (3, 9414301), (13, 2172531), (39, 724177), (653, 43251), (1109, 25467), (1959, 14417), (3327, 8489)]