257323208049

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{20763593}}^1$

素因数の和:20763628

約数の個数: 28

約数和(自身を含む): 408502948356

約数和(自身を除く): 151179740307

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 4131, 12393, 20763593, 62290779, 186872337, 352981081, 560617011, 1058943243, 1681851033, 3176829729, 5045553099, 9530489187, 15136659297, 28591467561, 85774402683, 257323208049]

約数ペア:

[(1, 257323208049), (3, 85774402683), (9, 28591467561), (17, 15136659297), (27, 9530489187), (51, 5045553099), (81, 3176829729), (153, 1681851033), (243, 1058943243), (459, 560617011), (729, 352981081), (1377, 186872337), (4131, 62290779), (12393, 20763593)]