16998717

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{421}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 23321408

約数和(自身を除く): 6322691

約数列:

[1, 3, 43, 129, 313, 421, 939, 1263, 13459, 18103, 40377, 54309, 131773, 395319, 5666239, 16998717]

約数ペア:

[(1, 16998717), (3, 5666239), (43, 395319), (129, 131773), (313, 54309), (421, 40377), (939, 18103), (1263, 13459)]