81856621

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{96643}}^1$

素因数の和:96672

約数の個数: 12

約数和(自身を含む): 102829216

約数和(自身を除く): 20972595

約数列:

[1, 7, 11, 77, 121, 847, 96643, 676501, 1063073, 7441511, 11693803, 81856621]

約数ペア:

[(1, 81856621), (7, 11693803), (11, 7441511), (77, 1063073), (121, 676501), (847, 96643)]