25664121

素因数分解:

$3^4\times 7^1\times {\mathrm{45263}}^1$

素因数の和:45282

約数の個数: 20

約数和(自身を含む): 43815552

約数和(自身を除く): 18151431

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 45263, 135789, 316841, 407367, 950523, 1222101, 2851569, 3666303, 8554707, 25664121]

約数ペア:

[(1, 25664121), (3, 8554707), (7, 3666303), (9, 2851569), (21, 1222101), (27, 950523), (63, 407367), (81, 316841), (189, 135789), (567, 45263)]