28724229

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{52321}}^1$

素因数の和:52388

約数の個数: 12

約数和(自身を含む): 42171532

約数和(自身を除く): 13447303

約数列:

[1, 3, 9, 61, 183, 549, 52321, 156963, 470889, 3191581, 9574743, 28724229]

約数ペア:

[(1, 28724229), (3, 9574743), (9, 3191581), (61, 470889), (183, 156963), (549, 52321)]