81387894

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1937807}}^1$

素因数の和:1937819

約数の個数: 16

約数和(自身を含む): 186029568

約数和(自身を除く): 104641674

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1937807, 3875614, 5813421, 11626842, 13564649, 27129298, 40693947, 81387894]

約数ペア:

[(1, 81387894), (2, 40693947), (3, 27129298), (6, 13564649), (7, 11626842), (14, 5813421), (21, 3875614), (42, 1937807)]