28752867

素因数分解:

$3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:721

約数の個数: 48

約数和(自身を含む): 50497440

約数和(自身を除く): 21744573

約数列:

[1, 3, 9, 11, 13, 27, 33, 39, 99, 117, 121, 143, 297, 351, 363, 429, 677, 1089, 1287, 1573, 2031, 3267, 3861, 4719, 6093, 7447, 8801, 14157, 18279, 22341, 26403, 42471, 67023, 79209, 81917, 96811, 201069, 237627, 245751, 290433, 737253, 871299, 1064921, 2211759, 2613897, 3194763, 9584289, 28752867]

約数ペア:

[(1, 28752867), (3, 9584289), (9, 3194763), (11, 2613897), (13, 2211759), (27, 1064921), (33, 871299), (39, 737253), (99, 290433), (117, 245751), (121, 237627), (143, 201069), (297, 96811), (351, 81917), (363, 79209), (429, 67023), (677, 42471), (1089, 26403), (1287, 22341), (1573, 18279), (2031, 14157), (3267, 8801), (3861, 7447), (4719, 6093)]