28093797

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{2731}}^1$

素因数の和:2870

約数の個数: 20

約数和(自身を含む): 42313216

約数和(自身を除く): 14219419

約数列:

[1, 3, 9, 27, 81, 127, 381, 1143, 2731, 3429, 8193, 10287, 24579, 73737, 221211, 346837, 1040511, 3121533, 9364599, 28093797]

約数ペア:

[(1, 28093797), (3, 9364599), (9, 3121533), (27, 1040511), (81, 346837), (127, 221211), (381, 73737), (1143, 24579), (2731, 10287), (3429, 8193)]