2489889

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 3515904

約数和(自身を除く): 1026015

約数列:

[1, 3, 31, 41, 93, 123, 653, 1271, 1959, 3813, 20243, 26773, 60729, 80319, 829963, 2489889]

約数ペア:

[(1, 2489889), (3, 829963), (31, 80319), (41, 60729), (93, 26773), (123, 20243), (653, 3813), (1271, 1959)]