81332118

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{645493}}^1$

素因数の和:645508

約数の個数: 24

約数和(自身を含む): 201394128

約数和(自身を除く): 120062010

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 645493, 1290986, 1936479, 3872958, 4518451, 5809437, 9036902, 11618874, 13555353, 27110706, 40666059, 81332118]

約数ペア:

[(1, 81332118), (2, 40666059), (3, 27110706), (6, 13555353), (7, 11618874), (9, 9036902), (14, 5809437), (18, 4518451), (21, 3872958), (42, 1936479), (63, 1290986), (126, 645493)]