81781161

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{354031}}^1$

素因数の和:354052

約数の個数: 16

約数和(自身を含む): 135948288

約数和(自身を除く): 54167127

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 354031, 1062093, 2478217, 3894341, 7434651, 11683023, 27260387, 81781161]

約数ペア:

[(1, 81781161), (3, 27260387), (7, 11683023), (11, 7434651), (21, 3894341), (33, 2478217), (77, 1062093), (231, 354031)]