13072509

素因数分解:

$3^4\times {\mathrm{199}}^1\times {\mathrm{811}}^1$

素因数の和:1022

約数の個数: 20

約数和(自身を含む): 19650400

約数和(自身を除く): 6577891

約数列:

[1, 3, 9, 27, 81, 199, 597, 811, 1791, 2433, 5373, 7299, 16119, 21897, 65691, 161389, 484167, 1452501, 4357503, 13072509]

約数ペア:

[(1, 13072509), (3, 4357503), (9, 1452501), (27, 484167), (81, 161389), (199, 65691), (597, 21897), (811, 16119), (1791, 7299), (2433, 5373)]