28711017

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{2791}}^1$

素因数の和:2930

約数の個数: 20

約数和(自身を含む): 43242496

約数和(自身を除く): 14531479

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 2791, 3429, 8373, 10287, 25119, 75357, 226071, 354457, 1063371, 3190113, 9570339, 28711017]

約数ペア:

[(1, 28711017), (3, 9570339), (9, 3190113), (27, 1063371), (81, 354457), (127, 226071), (381, 75357), (1143, 25119), (2791, 10287), (3429, 8373)]