84543021

素因数分解:

$3^4\times {\mathrm{479}}^1\times {\mathrm{2179}}^1$

素因数の和:2670

約数の個数: 20

約数和(自身を含む): 126614400

約数和(自身を除く): 42071379

約数列:

[1, 3, 9, 27, 81, 479, 1437, 2179, 4311, 6537, 12933, 19611, 38799, 58833, 176499, 1043741, 3131223, 9393669, 28181007, 84543021]

約数ペア:

[(1, 84543021), (3, 28181007), (9, 9393669), (27, 3131223), (81, 1043741), (479, 176499), (1437, 58833), (2179, 38799), (4311, 19611), (6537, 12933)]