2009136447

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{115727}}^1$

素因数の和:116379

約数の個数: 16

約数和(自身を含む): 2981153280

約数和(自身を除く): 972016833

約数列:

[1, 3, 9, 27, 643, 1929, 5787, 17361, 115727, 347181, 1041543, 3124629, 74412461, 223237383, 669712149, 2009136447]

約数ペア:

[(1, 2009136447), (3, 669712149), (9, 223237383), (27, 74412461), (643, 3124629), (1929, 1041543), (5787, 347181), (17361, 115727)]