15561261

素因数分解:

$3^3\times {\mathrm{443}}^1\times {\mathrm{1301}}^1$

素因数の和:1753

約数の個数: 16

約数和(自身を含む): 23123520

約数和(自身を除く): 7562259

約数列:

[1, 3, 9, 27, 443, 1301, 1329, 3903, 3987, 11709, 11961, 35127, 576343, 1729029, 5187087, 15561261]

約数ペア:

[(1, 15561261), (3, 5187087), (9, 1729029), (27, 576343), (443, 35127), (1301, 11961), (1329, 11709), (3903, 3987)]