2991021

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{233}}^1\times {\mathrm{389}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 4380480

約数和(自身を除く): 1389459

約数列:

[1, 3, 11, 33, 233, 389, 699, 1167, 2563, 4279, 7689, 12837, 90637, 271911, 997007, 2991021]

約数ペア:

[(1, 2991021), (3, 997007), (11, 271911), (33, 90637), (233, 12837), (389, 7689), (699, 4279), (1167, 2563)]