157218489

素因数分解:

$3^4\times {\mathrm{827}}^1\times {\mathrm{2347}}^1$

素因数の和:3186

約数の個数: 20

約数和(自身を含む): 235241424

約数和(自身を除く): 78022935

約数列:

[1, 3, 9, 27, 81, 827, 2347, 2481, 7041, 7443, 21123, 22329, 63369, 66987, 190107, 1940969, 5822907, 17468721, 52406163, 157218489]

約数ペア:

[(1, 157218489), (3, 52406163), (9, 17468721), (27, 5822907), (81, 1940969), (827, 190107), (2347, 66987), (2481, 63369), (7041, 22329), (7443, 21123)]