81397818

素因数分解:

$2^1\times 3^3\times {\mathrm{613}}^1\times {\mathrm{2459}}^1$

素因数の和:3083

約数の個数: 32

約数和(自身を含む): 181252800

約数和(自身を除く): 99854982

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 613, 1226, 1839, 2459, 3678, 4918, 5517, 7377, 11034, 14754, 16551, 22131, 33102, 44262, 66393, 132786, 1507367, 3014734, 4522101, 9044202, 13566303, 27132606, 40698909, 81397818]

約数ペア:

[(1, 81397818), (2, 40698909), (3, 27132606), (6, 13566303), (9, 9044202), (18, 4522101), (27, 3014734), (54, 1507367), (613, 132786), (1226, 66393), (1839, 44262), (2459, 33102), (3678, 22131), (4918, 16551), (5517, 14754), (7377, 11034)]