6621951

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{7691}}^1$

素因数の和:7742

約数の個数: 16

約数和(自身を含む): 10338048

約数和(自身を除く): 3716097

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 7691, 23073, 53837, 161511, 315331, 945993, 2207317, 6621951]

約数ペア:

[(1, 6621951), (3, 2207317), (7, 945993), (21, 315331), (41, 161511), (123, 53837), (287, 23073), (861, 7691)]