81380467

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{9323}}^1$

素因数の和:9402

約数の個数: 16

約数和(自身を含む): 98461440

約数和(自身を除く): 17080973

約数列:

[1, 7, 29, 43, 203, 301, 1247, 8729, 9323, 65261, 270367, 400889, 1892569, 2806223, 11625781, 81380467]

約数ペア:

[(1, 81380467), (7, 11625781), (29, 2806223), (43, 1892569), (203, 400889), (301, 270367), (1247, 65261), (8729, 9323)]