2111781

素因数分解:

$3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{443}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 3239424

約数和(自身を除く): 1127643

約数列:

[1, 3, 7, 21, 227, 443, 681, 1329, 1589, 3101, 4767, 9303, 100561, 301683, 703927, 2111781]

約数ペア:

[(1, 2111781), (3, 703927), (7, 301683), (21, 100561), (227, 9303), (443, 4767), (681, 3101), (1329, 1589)]