28828017

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{457}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 42964064

約数和(自身を除く): 14136047

約数列:

[1, 3, 9, 43, 129, 163, 387, 457, 489, 1371, 1467, 4113, 7009, 19651, 21027, 58953, 63081, 74491, 176859, 223473, 670419, 3203113, 9609339, 28828017]

約数ペア:

[(1, 28828017), (3, 9609339), (9, 3203113), (43, 670419), (129, 223473), (163, 176859), (387, 74491), (457, 63081), (489, 58953), (1371, 21027), (1467, 19651), (4113, 7009)]