81217878

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1933759}}^1$

素因数の和:1933771

約数の個数: 16

約数和(自身を含む): 185640960

約数和(自身を除く): 104423082

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1933759, 3867518, 5801277, 11602554, 13536313, 27072626, 40608939, 81217878]

約数ペア:

[(1, 81217878), (2, 40608939), (3, 27072626), (6, 13536313), (7, 11602554), (14, 5801277), (21, 3867518), (42, 1933759)]