666870003

素因数分解:

$3^5\times {\mathrm{331}}^1\times {\mathrm{8291}}^1$

素因数の和:8637

約数の個数: 24

約数和(自身を含む): 1002071616

約数和(自身を除く): 335201613

約数列:

[1, 3, 9, 27, 81, 243, 331, 993, 2979, 8291, 8937, 24873, 26811, 74619, 80433, 223857, 671571, 2014713, 2744321, 8232963, 24698889, 74096667, 222290001, 666870003]

約数ペア:

[(1, 666870003), (3, 222290001), (9, 74096667), (27, 24698889), (81, 8232963), (243, 2744321), (331, 2014713), (993, 671571), (2979, 223857), (8291, 80433), (8937, 74619), (24873, 26811)]