2788737

素因数分解:

$3^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 4410432

約数和(自身を除く): 1621695

約数列:

[1, 3, 7, 21, 49, 61, 147, 183, 311, 427, 933, 1281, 2177, 2989, 6531, 8967, 15239, 18971, 45717, 56913, 132797, 398391, 929579, 2788737]

約数ペア:

[(1, 2788737), (3, 929579), (7, 398391), (21, 132797), (49, 56913), (61, 45717), (147, 18971), (183, 15239), (311, 8967), (427, 6531), (933, 2989), (1281, 2177)]