28012023

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12601}}^1$

素因数の和:12639

約数の個数: 24

約数和(自身を含む): 45871280

約数和(自身を除く): 17859257

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12601, 37803, 113409, 163813, 239419, 491439, 718257, 1474317, 2154771, 3112447, 9337341, 28012023]

約数ペア:

[(1, 28012023), (3, 9337341), (9, 3112447), (13, 2154771), (19, 1474317), (39, 718257), (57, 491439), (117, 239419), (171, 163813), (247, 113409), (741, 37803), (2223, 12601)]