28245279

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{5081}}^1$

素因数の和:5210

約数の個数: 16

約数和(自身を含む): 40249440

約数和(自身を除く): 12004161

約数列:

[1, 3, 17, 51, 109, 327, 1853, 5081, 5559, 15243, 86377, 259131, 553829, 1661487, 9415093, 28245279]

約数ペア:

[(1, 28245279), (3, 9415093), (17, 1661487), (51, 553829), (109, 259131), (327, 86377), (1853, 15243), (5081, 5559)]