11840213

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{1997}}^1$

素因数の和:2033

約数の個数: 18

約数和(自身を含む): 15146838

約数和(自身を除く): 3306625

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 1997, 5929, 13979, 21967, 97853, 153769, 241637, 1076383, 1691459, 11840213]

約数ペア:

[(1, 11840213), (7, 1691459), (11, 1076383), (49, 241637), (77, 153769), (121, 97853), (539, 21967), (847, 13979), (1997, 5929)]