16391889

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{10651}}^1$

素因数の和:10682

約数の個数: 20

約数和(自身を含む): 25777840

約数和(自身を除く): 9385951

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 10651, 31953, 95859, 202369, 287577, 607107, 862731, 1821321, 5463963, 16391889]

約数ペア:

[(1, 16391889), (3, 5463963), (9, 1821321), (19, 862731), (27, 607107), (57, 287577), (81, 202369), (171, 95859), (513, 31953), (1539, 10651)]