205658919

素因数分解:

$3^7\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 310471680

約数和(自身を除く): 104812761

約数列:

[1, 3, 9, 27, 81, 243, 271, 347, 729, 813, 1041, 2187, 2439, 3123, 7317, 9369, 21951, 28107, 65853, 84321, 94037, 197559, 252963, 282111, 592677, 758889, 846333, 2538999, 7616997, 22850991, 68552973, 205658919]

約数ペア:

[(1, 205658919), (3, 68552973), (9, 22850991), (27, 7616997), (81, 2538999), (243, 846333), (271, 758889), (347, 592677), (729, 282111), (813, 252963), (1041, 197559), (2187, 94037), (2439, 84321), (3123, 65853), (7317, 28107), (9369, 21951)]