161719497

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{22433}}^1$

素因数の和:22534

約数の個数: 20

約数和(自身を含む): 244306260

約数和(自身を除く): 82586763

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 2403, 7209, 22433, 67299, 201897, 605691, 1817073, 1996537, 5989611, 17968833, 53906499, 161719497]

約数ペア:

[(1, 161719497), (3, 53906499), (9, 17968833), (27, 5989611), (81, 1996537), (89, 1817073), (267, 605691), (801, 201897), (2403, 67299), (7209, 22433)]