81030699

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{7877}}^1$

素因数の和:8016

約数の個数: 20

約数和(自身を含む): 122014464

約数和(自身を除く): 40983765

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 3429, 7877, 10287, 23631, 70893, 212679, 638037, 1000379, 3001137, 9003411, 27010233, 81030699]

約数ペア:

[(1, 81030699), (3, 27010233), (9, 9003411), (27, 3001137), (81, 1000379), (127, 638037), (381, 212679), (1143, 70893), (3429, 23631), (7877, 10287)]