17691291

素因数分解:

$3^4\times {\mathrm{37}}^1\times {\mathrm{5903}}^1$

素因数の和:5952

約数の個数: 20

約数和(自身を含む): 27146592

約数和(自身を除く): 9455301

約数列:

[1, 3, 9, 27, 37, 81, 111, 333, 999, 2997, 5903, 17709, 53127, 159381, 218411, 478143, 655233, 1965699, 5897097, 17691291]

約数ペア:

[(1, 17691291), (3, 5897097), (9, 1965699), (27, 655233), (37, 478143), (81, 218411), (111, 159381), (333, 53127), (999, 17709), (2997, 5903)]