258262137

素因数分解:

$3^2\times 7^1\times {\mathrm{1129}}^1\times {\mathrm{3631}}^1$

素因数の和:4773

約数の個数: 24

約数和(自身を含む): 426832640

約数和(自身を除く): 168570503

約数列:

[1, 3, 7, 9, 21, 63, 1129, 3387, 3631, 7903, 10161, 10893, 23709, 25417, 32679, 71127, 76251, 228753, 4099399, 12298197, 28695793, 36894591, 86087379, 258262137]

約数ペア:

[(1, 258262137), (3, 86087379), (7, 36894591), (9, 28695793), (21, 12298197), (63, 4099399), (1129, 228753), (3387, 76251), (3631, 71127), (7903, 32679), (10161, 25417), (10893, 23709)]