3988854

素因数分解:

$2^1\times 3^2\times {\mathrm{221603}}^1$

素因数の和:221611

約数の個数: 12

約数和(自身を含む): 8642556

約数和(自身を除く): 4653702

約数列:

[1, 2, 3, 6, 9, 18, 221603, 443206, 664809, 1329618, 1994427, 3988854]

約数ペア:

[(1, 3988854), (2, 1994427), (3, 1329618), (6, 664809), (9, 443206), (18, 221603)]