81210318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{1861}}^1$

素因数の和:2912

約数の個数: 32

約数和(自身を含む): 185902080

約数和(自身を除く): 104691762

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1039, 1861, 2078, 3117, 3722, 5583, 6234, 7273, 11166, 13027, 14546, 21819, 26054, 39081, 43638, 78162, 1933579, 3867158, 5800737, 11601474, 13535053, 27070106, 40605159, 81210318]

約数ペア:

[(1, 81210318), (2, 40605159), (3, 27070106), (6, 13535053), (7, 11601474), (14, 5800737), (21, 3867158), (42, 1933579), (1039, 78162), (1861, 43638), (2078, 39081), (3117, 26054), (3722, 21819), (5583, 14546), (6234, 13027), (7273, 11166)]