2190321

素因数分解:

$3^4\times 7^1\times {\mathrm{3863}}^1$

素因数の和:3882

約数の個数: 20

約数和(自身を含む): 3740352

約数和(自身を除く): 1550031

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 3863, 11589, 27041, 34767, 81123, 104301, 243369, 312903, 730107, 2190321]

約数ペア:

[(1, 2190321), (3, 730107), (7, 312903), (9, 243369), (21, 104301), (27, 81123), (63, 34767), (81, 27041), (189, 11589), (567, 3863)]