28804257

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 43677504

約数和(自身を除く): 14873247

約数列:

[1, 3, 9, 23, 69, 207, 227, 613, 681, 1839, 2043, 5221, 5517, 14099, 15663, 42297, 46989, 126891, 139151, 417453, 1252359, 3200473, 9601419, 28804257]

約数ペア:

[(1, 28804257), (3, 9601419), (9, 3200473), (23, 1252359), (69, 417453), (207, 139151), (227, 126891), (613, 46989), (681, 42297), (1839, 15663), (2043, 14099), (5221, 5517)]