2821137

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1613}}^1$

素因数の和:1680

約数の個数: 16

約数和(自身を含む): 4183488

約数和(自身を除く): 1362351

約数列:

[1, 3, 11, 33, 53, 159, 583, 1613, 1749, 4839, 17743, 53229, 85489, 256467, 940379, 2821137]

約数ペア:

[(1, 2821137), (3, 940379), (11, 256467), (33, 85489), (53, 53229), (159, 17743), (583, 4839), (1613, 1749)]