2897391

素因数分解:

$3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:782

約数の個数: 16

約数和(自身を含む): 4439808

約数和(自身を除く): 1542417

約数列:

[1, 3, 7, 21, 281, 491, 843, 1473, 1967, 3437, 5901, 10311, 137971, 413913, 965797, 2897391]

約数ペア:

[(1, 2897391), (3, 965797), (7, 413913), (21, 137971), (281, 10311), (491, 5901), (843, 3437), (1473, 1967)]