11975121

素因数分解:

$3^4\times {\mathrm{163}}^1\times {\mathrm{907}}^1$

素因数の和:1082

約数の個数: 20

約数和(自身を含む): 18018352

約数和(自身を除く): 6043231

約数列:

[1, 3, 9, 27, 81, 163, 489, 907, 1467, 2721, 4401, 8163, 13203, 24489, 73467, 147841, 443523, 1330569, 3991707, 11975121]

約数ペア:

[(1, 11975121), (3, 3991707), (9, 1330569), (27, 443523), (81, 147841), (163, 73467), (489, 24489), (907, 13203), (1467, 8163), (2721, 4401)]