397702921

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{469543}}^1$

素因数の和:469572

約数の個数: 12

約数和(自身を含む): 499594816

約数和(自身を除く): 101891895

約数列:

[1, 7, 11, 77, 121, 847, 469543, 3286801, 5164973, 36154811, 56814703, 397702921]

約数ペア:

[(1, 397702921), (7, 56814703), (11, 36154811), (77, 5164973), (121, 3286801), (847, 469543)]