28447727

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9011}}^1$

素因数の和:9070

約数の個数: 16

約数和(自身を含む): 36336384

約数和(自身を除く): 7888657

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 9011, 63077, 99121, 369451, 693847, 2586157, 4063961, 28447727]

約数ペア:

[(1, 28447727), (7, 4063961), (11, 2586157), (41, 693847), (77, 369451), (287, 99121), (451, 63077), (3157, 9011)]