16555509

素因数分解:

$3^4\times {\mathrm{313}}^1\times {\mathrm{653}}^1$

素因数の和:978

約数の個数: 20

約数和(自身を含む): 24848076

約数和(自身を除く): 8292567

約数列:

[1, 3, 9, 27, 81, 313, 653, 939, 1959, 2817, 5877, 8451, 17631, 25353, 52893, 204389, 613167, 1839501, 5518503, 16555509]

約数ペア:

[(1, 16555509), (3, 5518503), (9, 1839501), (27, 613167), (81, 204389), (313, 52893), (653, 25353), (939, 17631), (1959, 8451), (2817, 5877)]