81318426

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1936153}}^1$

素因数の和:1936165

約数の個数: 16

約数和(自身を含む): 185870784

約数和(自身を除く): 104552358

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1936153, 3872306, 5808459, 11616918, 13553071, 27106142, 40659213, 81318426]

約数ペア:

[(1, 81318426), (2, 40659213), (3, 27106142), (6, 13553071), (7, 11616918), (14, 5808459), (21, 3872306), (42, 1936153)]