81047265

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{415627}}^1$

素因数の和:415648

約数の個数: 16

約数和(自身を含む): 139651008

約数和(自身を除く): 58603743

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 415627, 1246881, 2078135, 5403151, 6234405, 16209453, 27015755, 81047265]

約数ペア:

[(1, 81047265), (3, 27015755), (5, 16209453), (13, 6234405), (15, 5403151), (39, 2078135), (65, 1246881), (195, 415627)]