81312486

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{103451}}^1$

素因数の和:103587

約数の個数: 16

約数和(自身を含む): 163867968

約数和(自身を除く): 82555482

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 103451, 206902, 310353, 620706, 13552081, 27104162, 40656243, 81312486]

約数ペア:

[(1, 81312486), (2, 40656243), (3, 27104162), (6, 13552081), (131, 620706), (262, 310353), (393, 206902), (786, 103451)]