156978660393

素因数分解:

$3^4\times {\mathrm{1759}}^1\times {\mathrm{1101767}}^1$

素因数の和:1103538

約数の個数: 20

約数和(自身を含む): 234632513280

約数和(自身を除く): 77653852887

約数列:

[1, 3, 9, 27, 81, 1759, 5277, 15831, 47493, 142479, 1101767, 3305301, 9915903, 29747709, 89243127, 1938008153, 5814024459, 17442073377, 52326220131, 156978660393]

約数ペア:

[(1, 156978660393), (3, 52326220131), (9, 17442073377), (27, 5814024459), (81, 1938008153), (1759, 89243127), (5277, 29747709), (15831, 9915903), (47493, 3305301), (142479, 1101767)]