567891

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:78

約数の個数: 28

約数和(自身を含む): 918120

約数和(自身を除く): 350229

約数列:

[1, 3, 9, 19, 27, 41, 57, 81, 123, 171, 243, 369, 513, 729, 779, 1107, 1539, 2337, 3321, 4617, 7011, 9963, 13851, 21033, 29889, 63099, 189297, 567891]

約数ペア:

[(1, 567891), (3, 189297), (9, 63099), (19, 29889), (27, 21033), (41, 13851), (57, 9963), (81, 7011), (123, 4617), (171, 3321), (243, 2337), (369, 1539), (513, 1107), (729, 779)]