678749109

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{72077}}^1$

素因数の和:72196

約数の個数: 16

約数和(自身を含む): 938743872

約数和(自身を除く): 259994763

約数列:

[1, 3, 43, 73, 129, 219, 3139, 9417, 72077, 216231, 3099311, 5261621, 9297933, 15784863, 226249703, 678749109]

約数ペア:

[(1, 678749109), (3, 226249703), (43, 15784863), (73, 9297933), (129, 5261621), (219, 3099311), (3139, 216231), (9417, 72077)]