28080927

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1913}}^1$

素因数の和:2159

約数の個数: 24

約数和(自身を含む): 46579104

約数和(自身を除く): 18498177

約数列:

[1, 3, 7, 9, 21, 63, 233, 699, 1631, 1913, 2097, 4893, 5739, 13391, 14679, 17217, 40173, 120519, 445729, 1337187, 3120103, 4011561, 9360309, 28080927]

約数ペア:

[(1, 28080927), (3, 9360309), (7, 4011561), (9, 3120103), (21, 1337187), (63, 445729), (233, 120519), (699, 40173), (1631, 17217), (1913, 14679), (2097, 13391), (4893, 5739)]