1728297

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1123}}^1$

素因数の和:1154

約数の個数: 20

約数和(自身を含む): 2720080

約数和(自身を除く): 991783

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1123, 1539, 3369, 10107, 21337, 30321, 64011, 90963, 192033, 576099, 1728297]

約数ペア:

[(1, 1728297), (3, 576099), (9, 192033), (19, 90963), (27, 64011), (57, 30321), (81, 21337), (171, 10107), (513, 3369), (1123, 1539)]