39842439

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{20849}}^1$

素因数の和:20879

約数の個数: 24

約数和(自身を含む): 66553200

約数和(自身を除く): 26710761

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 20849, 62547, 145943, 271037, 437829, 813111, 1021601, 1897259, 3064803, 5691777, 13280813, 39842439]

約数ペア:

[(1, 39842439), (3, 13280813), (7, 5691777), (13, 3064803), (21, 1897259), (39, 1021601), (49, 813111), (91, 437829), (147, 271037), (273, 145943), (637, 62547), (1911, 20849)]