6668991

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2861}}^1$

素因数の和:2911

約数の個数: 24

約数和(自身を含む): 11310624

約数和(自身を除く): 4641633

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 2861, 8583, 20027, 25749, 60081, 105857, 180243, 317571, 740999, 952713, 2222997, 6668991]

約数ペア:

[(1, 6668991), (3, 2222997), (7, 952713), (9, 740999), (21, 317571), (37, 180243), (63, 105857), (111, 60081), (259, 25749), (333, 20027), (777, 8583), (2331, 2861)]