209404797

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{5393}}^1$

素因数の和:5489

約数の個数: 24

約数和(自身を含む): 326746944

約数和(自身を除く): 117342147

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 1849, 5393, 5547, 12943, 16179, 37751, 38829, 113253, 231899, 695697, 1623293, 4869879, 9971657, 29914971, 69801599, 209404797]

約数ペア:

[(1, 209404797), (3, 69801599), (7, 29914971), (21, 9971657), (43, 4869879), (129, 1623293), (301, 695697), (903, 231899), (1849, 113253), (5393, 38829), (5547, 37751), (12943, 16179)]