2784951

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{1831}}^1$

素因数の和:1863

約数の個数: 18

約数和(自身を含む): 4358328

約数和(自身を除く): 1573377

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 1831, 5493, 16479, 23803, 71409, 214227, 309439, 928317, 2784951]

約数ペア:

[(1, 2784951), (3, 928317), (9, 309439), (13, 214227), (39, 71409), (117, 23803), (169, 16479), (507, 5493), (1521, 1831)]