7980903

素因数分解:

$3^3\times 7^1\times {\mathrm{42227}}^1$

素因数の和:42243

約数の個数: 16

約数和(自身を含む): 13512960

約数和(自身を除く): 5532057

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 42227, 126681, 295589, 380043, 886767, 1140129, 2660301, 7980903]

約数ペア:

[(1, 7980903), (3, 2660301), (7, 1140129), (9, 886767), (21, 380043), (27, 295589), (63, 126681), (189, 42227)]