2991903

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{607}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 4202496

約数和(自身を除く): 1210593

約数列:

[1, 3, 31, 53, 93, 159, 607, 1643, 1821, 4929, 18817, 32171, 56451, 96513, 997301, 2991903]

約数ペア:

[(1, 2991903), (3, 997301), (31, 96513), (53, 56451), (93, 32171), (159, 18817), (607, 4929), (1643, 1821)]