28790871

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21961}}^1$

素因数の和:22006

約数の個数: 16

約数和(自身を含む): 42167040

約数和(自身を除く): 13376169

約数列:

[1, 3, 19, 23, 57, 69, 437, 1311, 21961, 65883, 417259, 505103, 1251777, 1515309, 9596957, 28790871]

約数ペア:

[(1, 28790871), (3, 9596957), (19, 1515309), (23, 1251777), (57, 505103), (69, 417259), (437, 65883), (1311, 21961)]