15530211

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{1759}}^1$

素因数の和:1880

約数の個数: 20

約数和(自身を含む): 23425600

約数和(自身を除く): 7895389

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 1759, 2943, 5277, 8829, 15831, 47493, 142479, 191731, 575193, 1725579, 5176737, 15530211]

約数ペア:

[(1, 15530211), (3, 5176737), (9, 1725579), (27, 575193), (81, 191731), (109, 142479), (327, 47493), (981, 15831), (1759, 8829), (2943, 5277)]