15721479

素因数分解:

$3^3\times {\mathrm{181}}^1\times {\mathrm{3217}}^1$

素因数の和:3407

約数の個数: 16

約数和(自身を含む): 23427040

約数和(自身を除く): 7705561

約数列:

[1, 3, 9, 27, 181, 543, 1629, 3217, 4887, 9651, 28953, 86859, 582277, 1746831, 5240493, 15721479]

約数ペア:

[(1, 15721479), (3, 5240493), (9, 1746831), (27, 582277), (181, 86859), (543, 28953), (1629, 9651), (3217, 4887)]