81293508

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{20717}}^1$

素因数の和:20836

約数の個数: 36

約数和(自身を含む): 207387180

約数和(自身を除く): 126093672

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 3924, 20717, 41434, 62151, 82868, 124302, 186453, 248604, 372906, 745812, 2258153, 4516306, 6774459, 9032612, 13548918, 20323377, 27097836, 40646754, 81293508]

約数ペア:

[(1, 81293508), (2, 40646754), (3, 27097836), (4, 20323377), (6, 13548918), (9, 9032612), (12, 6774459), (18, 4516306), (36, 2258153), (109, 745812), (218, 372906), (327, 248604), (436, 186453), (654, 124302), (981, 82868), (1308, 62151), (1962, 41434), (3924, 20717)]