247970241

素因数分解:

$3^4\times {\mathrm{883}}^1\times {\mathrm{3467}}^1$

素因数の和:4362

約数の個数: 20

約数和(自身を含む): 370951152

約数和(自身を除く): 122980911

約数列:

[1, 3, 9, 27, 81, 883, 2649, 3467, 7947, 10401, 23841, 31203, 71523, 93609, 280827, 3061361, 9184083, 27552249, 82656747, 247970241]

約数ペア:

[(1, 247970241), (3, 82656747), (9, 27552249), (27, 9184083), (81, 3061361), (883, 280827), (2649, 93609), (3467, 71523), (7947, 31203), (10401, 23841)]