2787543

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:815

約数の個数: 24

約数和(自身を含む): 4517136

約数和(自身を除く): 1729593

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 761, 1221, 2283, 3663, 6849, 8371, 25113, 28157, 75339, 84471, 253413, 309727, 929181, 2787543]

約数ペア:

[(1, 2787543), (3, 929181), (9, 309727), (11, 253413), (33, 84471), (37, 75339), (99, 28157), (111, 25113), (333, 8371), (407, 6849), (761, 3663), (1221, 2283)]