15721893

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{14437}}^1$

素因数の和:14465

約数の個数: 18

約数和(自身を含む): 24963302

約数和(自身を除く): 9241409

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 14437, 43311, 129933, 158807, 476421, 1429263, 1746877, 5240631, 15721893]

約数ペア:

[(1, 15721893), (3, 5240631), (9, 1746877), (11, 1429263), (33, 476421), (99, 158807), (121, 129933), (363, 43311), (1089, 14437)]