13556889

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{5399}}^1$

素因数の和:5442

約数の個数: 20

約数和(自身を含む): 20908800

約数和(自身を除く): 7351911

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 5399, 16197, 48591, 145773, 167369, 437319, 502107, 1506321, 4518963, 13556889]

約数ペア:

[(1, 13556889), (3, 4518963), (9, 1506321), (27, 502107), (31, 437319), (81, 167369), (93, 145773), (279, 48591), (837, 16197), (2511, 5399)]