131520291

素因数分解:

$3^1\times 7^1\times {\mathrm{827}}^1\times {\mathrm{7573}}^1$

素因数の和:8410

約数の個数: 16

約数和(自身を含む): 200680704

約数和(自身を除く): 69160413

約数列:

[1, 3, 7, 21, 827, 2481, 5789, 7573, 17367, 22719, 53011, 159033, 6262871, 18788613, 43840097, 131520291]

約数ペア:

[(1, 131520291), (3, 43840097), (7, 18788613), (21, 6262871), (827, 159033), (2481, 53011), (5789, 22719), (7573, 17367)]