257136363

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{2203}}^1$

素因数の和:2357

約数の個数: 40

約数和(自身を含む): 422427456

約数和(自身を除く): 165291093

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 131, 297, 393, 891, 1179, 1441, 2203, 3537, 4323, 6609, 10611, 12969, 19827, 24233, 38907, 59481, 72699, 116721, 178443, 218097, 288593, 654291, 865779, 1962873, 2597337, 3174523, 7792011, 9523569, 23376033, 28570707, 85712121, 257136363]

約数ペア:

[(1, 257136363), (3, 85712121), (9, 28570707), (11, 23376033), (27, 9523569), (33, 7792011), (81, 3174523), (99, 2597337), (131, 1962873), (297, 865779), (393, 654291), (891, 288593), (1179, 218097), (1441, 178443), (2203, 116721), (3537, 72699), (4323, 59481), (6609, 38907), (10611, 24233), (12969, 19827)]