1137321

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:770

約数の個数: 20

約数和(自身を含む): 1790800

約数和(自身を除く): 653479

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 739, 1539, 2217, 6651, 14041, 19953, 42123, 59859, 126369, 379107, 1137321]

約数ペア:

[(1, 1137321), (3, 379107), (9, 126369), (19, 59859), (27, 42123), (57, 19953), (81, 14041), (171, 6651), (513, 2217), (739, 1539)]