81896067

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{479}}^1$

素因数の和:664

約数の個数: 36

約数和(自身を含む): 131127360

約数和(自身を除く): 49231293

約数列:

[1, 3, 9, 11, 33, 99, 121, 157, 363, 471, 479, 1089, 1413, 1437, 1727, 4311, 5181, 5269, 15543, 15807, 18997, 47421, 56991, 57959, 75203, 170973, 173877, 225609, 521631, 676827, 827233, 2481699, 7445097, 9099563, 27298689, 81896067]

約数ペア:

[(1, 81896067), (3, 27298689), (9, 9099563), (11, 7445097), (33, 2481699), (99, 827233), (121, 676827), (157, 521631), (363, 225609), (471, 173877), (479, 170973), (1089, 75203), (1413, 57959), (1437, 56991), (1727, 47421), (4311, 18997), (5181, 15807), (5269, 15543)]