2011902543

素因数分解:

$3^4\times 7^1\times {\mathrm{3548329}}^1$

素因数の和:3548348

約数の個数: 20

約数和(自身を含む): 3434783440

約数和(自身を除く): 1422880897

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3548329, 10644987, 24838303, 31934961, 74514909, 95804883, 223544727, 287414649, 670634181, 2011902543]

約数ペア:

[(1, 2011902543), (3, 670634181), (7, 287414649), (9, 223544727), (21, 95804883), (27, 74514909), (63, 31934961), (81, 24838303), (189, 10644987), (567, 3548329)]