28170027

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 43065360

約数和(自身を除く): 14895333

約数列:

[1, 3, 9, 19, 57, 171, 257, 641, 771, 1923, 2313, 4883, 5769, 12179, 14649, 36537, 43947, 109611, 164737, 494211, 1482633, 3130003, 9390009, 28170027]

約数ペア:

[(1, 28170027), (3, 9390009), (9, 3130003), (19, 1482633), (57, 494211), (171, 164737), (257, 109611), (641, 43947), (771, 36537), (1923, 14649), (2313, 12179), (4883, 5769)]