263281311

素因数分解:

$3^2\times {\mathrm{107}}^1\times {\mathrm{131}}^1\times {\mathrm{2087}}^1$

素因数の和:2331

約数の個数: 24

約数和(自身を含む): 386964864

約数和(自身を除く): 123683553

約数列:

[1, 3, 9, 107, 131, 321, 393, 963, 1179, 2087, 6261, 14017, 18783, 42051, 126153, 223309, 273397, 669927, 820191, 2009781, 2460573, 29253479, 87760437, 263281311]

約数ペア:

[(1, 263281311), (3, 87760437), (9, 29253479), (107, 2460573), (131, 2009781), (321, 820191), (393, 669927), (963, 273397), (1179, 223309), (2087, 126153), (6261, 42051), (14017, 18783)]