2108751489

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{2002613}}^1$

素因数の和:2002638

約数の個数: 20

約数和(自身を含む): 3392428116

約数和(自身を除く): 1283676627

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 2002613, 6007839, 18023517, 26033969, 54070551, 78101907, 162211653, 234305721, 702917163, 2108751489]

約数ペア:

[(1, 2108751489), (3, 702917163), (9, 234305721), (13, 162211653), (27, 78101907), (39, 54070551), (81, 26033969), (117, 18023517), (351, 6007839), (1053, 2002613)]