81257739

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{54941}}^1$

素因数の和:54990

約数の個数: 16

約数和(自身を含む): 118674720

約数和(自身を除く): 37416981

約数列:

[1, 3, 17, 29, 51, 87, 493, 1479, 54941, 164823, 933997, 1593289, 2801991, 4779867, 27085913, 81257739]

約数ペア:

[(1, 81257739), (3, 27085913), (17, 4779867), (29, 2801991), (51, 1593289), (87, 933997), (493, 164823), (1479, 54941)]