12705847

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{2143}}^1$

素因数の和:2179

約数の個数: 18

約数和(自身を含む): 16253664

約数和(自身を除く): 3547817

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 2143, 5929, 15001, 23573, 105007, 165011, 259303, 1155077, 1815121, 12705847]

約数ペア:

[(1, 12705847), (7, 1815121), (11, 1155077), (49, 259303), (77, 165011), (121, 105007), (539, 23573), (847, 15001), (2143, 5929)]