28222389

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2213}}^1$

素因数の和:2341

約数の個数: 24

約数和(自身を含む): 44324280

約数和(自身を除く): 16101891

約数列:

[1, 3, 9, 13, 39, 109, 117, 327, 981, 1417, 2213, 4251, 6639, 12753, 19917, 28769, 86307, 241217, 258921, 723651, 2170953, 3135821, 9407463, 28222389]

約数ペア:

[(1, 28222389), (3, 9407463), (9, 3135821), (13, 2170953), (39, 723651), (109, 258921), (117, 241217), (327, 86307), (981, 28769), (1417, 19917), (2213, 12753), (4251, 6639)]