7397487

素因数分解:

$3^4\times {\mathrm{271}}^1\times {\mathrm{337}}^1$

素因数の和:620

約数の個数: 20

約数和(自身を含む): 11124256

約数和(自身を除く): 3726769

約数列:

[1, 3, 9, 27, 81, 271, 337, 813, 1011, 2439, 3033, 7317, 9099, 21951, 27297, 91327, 273981, 821943, 2465829, 7397487]

約数ペア:

[(1, 7397487), (3, 2465829), (9, 821943), (27, 273981), (81, 91327), (271, 27297), (337, 21951), (813, 9099), (1011, 7317), (2439, 3033)]