1380085

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:193

約数の個数: 24

約数和(自身を含む): 1986336

約数和(自身を除く): 606251

約数列:

[1, 5, 7, 35, 43, 49, 131, 215, 245, 301, 655, 917, 1505, 2107, 4585, 5633, 6419, 10535, 28165, 32095, 39431, 197155, 276017, 1380085]

約数ペア:

[(1, 1380085), (5, 276017), (7, 197155), (35, 39431), (43, 32095), (49, 28165), (131, 10535), (215, 6419), (245, 5633), (301, 4585), (655, 2107), (917, 1505)]