731844153

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{392831}}^1$

素因数の和:392866

約数の個数: 20

約数和(自身を含む): 1140784128

約数和(自身を除く): 408939975

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 392831, 1178493, 3535479, 9035113, 10606437, 27105339, 31819311, 81316017, 243948051, 731844153]

約数ペア:

[(1, 731844153), (3, 243948051), (9, 81316017), (23, 31819311), (27, 27105339), (69, 10606437), (81, 9035113), (207, 3535479), (621, 1178493), (1863, 392831)]