278760933

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{312863}}^1$

素因数の和:312886

約数の個数: 20

約数和(自身を含む): 454278528

約数和(自身を除く): 175517595

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 312863, 938589, 2815767, 3441493, 8447301, 10324479, 25341903, 30973437, 92920311, 278760933]

約数ペア:

[(1, 278760933), (3, 92920311), (9, 30973437), (11, 25341903), (27, 10324479), (33, 8447301), (81, 3441493), (99, 2815767), (297, 938589), (891, 312863)]