27664007

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1259}}^1$

素因数の和:1382

約数の個数: 16

約数和(自身を含む): 32820480

約数和(自身を除く): 5156473

約数列:

[1, 7, 43, 73, 301, 511, 1259, 3139, 8813, 21973, 54137, 91907, 378959, 643349, 3952001, 27664007]

約数ペア:

[(1, 27664007), (7, 3952001), (43, 643349), (73, 378959), (301, 91907), (511, 54137), (1259, 21973), (3139, 8813)]