28264743

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{18583}}^1$

素因数の和:18615

約数の個数: 18

約数和(自身を含む): 44211336

約数和(自身を除く): 15946593

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 18583, 55749, 167247, 241579, 724737, 2174211, 3140527, 9421581, 28264743]

約数ペア:

[(1, 28264743), (3, 9421581), (9, 3140527), (13, 2174211), (39, 724737), (117, 241579), (169, 167247), (507, 55749), (1521, 18583)]