40250021

素因数分解:

$7^3\times {\mathrm{43}}^1\times {\mathrm{2729}}^1$

素因数の和:2793

約数の個数: 16

約数和(自身を含む): 48048000

約数和(自身を除く): 7797979

約数列:

[1, 7, 43, 49, 301, 343, 2107, 2729, 14749, 19103, 117347, 133721, 821429, 936047, 5750003, 40250021]

約数ペア:

[(1, 40250021), (7, 5750003), (43, 936047), (49, 821429), (301, 133721), (343, 117347), (2107, 19103), (2729, 14749)]