138520921

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{163543}}^1$

素因数の和:163572

約数の個数: 12

約数和(自身を含む): 174010816

約数和(自身を除く): 35489895

約数列:

[1, 7, 11, 77, 121, 847, 163543, 1144801, 1798973, 12592811, 19788703, 138520921]

約数ペア:

[(1, 138520921), (7, 19788703), (11, 12592811), (77, 1798973), (121, 1144801), (847, 163543)]