81627714

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{647839}}^1$

素因数の和:647854

約数の個数: 24

約数和(自身を含む): 202126080

約数和(自身を除く): 120498366

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 647839, 1295678, 1943517, 3887034, 4534873, 5830551, 9069746, 11661102, 13604619, 27209238, 40813857, 81627714]

約数ペア:

[(1, 81627714), (2, 40813857), (3, 27209238), (6, 13604619), (7, 11661102), (9, 9069746), (14, 5830551), (18, 4534873), (21, 3887034), (42, 1943517), (63, 1295678), (126, 647839)]