222373921

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{262543}}^1$

素因数の和:262572

約数の個数: 12

約数和(自身を含む): 279346816

約数和(自身を除く): 56972895

約数列:

[1, 7, 11, 77, 121, 847, 262543, 1837801, 2887973, 20215811, 31767703, 222373921]

約数ペア:

[(1, 222373921), (7, 31767703), (11, 20215811), (77, 2887973), (121, 1837801), (847, 262543)]