81399066

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1938073}}^1$

素因数の和:1938085

約数の個数: 16

約数和(自身を含む): 186055104

約数和(自身を除く): 104656038

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1938073, 3876146, 5814219, 11628438, 13566511, 27133022, 40699533, 81399066]

約数ペア:

[(1, 81399066), (2, 40699533), (3, 27133022), (6, 13566511), (7, 11628438), (14, 5814219), (21, 3876146), (42, 1938073)]