86409891

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{505321}}^1$

素因数の和:505346

約数の個数: 12

約数和(自身を含む): 131383720

約数和(自身を除く): 44973829

約数列:

[1, 3, 9, 19, 57, 171, 505321, 1515963, 4547889, 9601099, 28803297, 86409891]

約数ペア:

[(1, 86409891), (3, 28803297), (9, 9601099), (19, 4547889), (57, 1515963), (171, 505321)]