2399709

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1663}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 3540992

約数和(自身を除く): 1141283

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 1663, 4989, 21619, 61531, 64857, 184593, 799903, 2399709]

約数ペア:

[(1, 2399709), (3, 799903), (13, 184593), (37, 64857), (39, 61531), (111, 21619), (481, 4989), (1443, 1663)]