2742789

素因数分解:

$3^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{619}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 4206080

約数和(自身を除く): 1463291

約数列:

[1, 3, 7, 21, 211, 619, 633, 1477, 1857, 4333, 4431, 12999, 130609, 391827, 914263, 2742789]

約数ペア:

[(1, 2742789), (3, 914263), (7, 391827), (21, 130609), (211, 12999), (619, 4431), (633, 4333), (1477, 1857)]