13481721

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{15131}}^1$

素因数の和:15154

約数の個数: 20

約数和(自身を含む): 21971664

約数和(自身を除く): 8489943

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 15131, 45393, 136179, 166441, 408537, 499323, 1225611, 1497969, 4493907, 13481721]

約数ペア:

[(1, 13481721), (3, 4493907), (9, 1497969), (11, 1225611), (27, 499323), (33, 408537), (81, 166441), (99, 136179), (297, 45393), (891, 15131)]