2506707

素因数分解:

$3^4\times 7^1\times {\mathrm{4421}}^1$

素因数の和:4440

約数の個数: 20

約数和(自身を含む): 4280496

約数和(自身を除く): 1773789

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 4421, 13263, 30947, 39789, 92841, 119367, 278523, 358101, 835569, 2506707]

約数ペア:

[(1, 2506707), (3, 835569), (7, 358101), (9, 278523), (21, 119367), (27, 92841), (63, 39789), (81, 30947), (189, 13263), (567, 4421)]