539998921

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{637543}}^1$

素因数の和:637572

約数の個数: 12

約数和(自身を含む): 678346816

約数和(自身を除く): 138347895

約数列:

[1, 7, 11, 77, 121, 847, 637543, 4462801, 7012973, 49090811, 77142703, 539998921]

約数ペア:

[(1, 539998921), (7, 77142703), (11, 49090811), (77, 7012973), (121, 4462801), (847, 637543)]