2051239191

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{217823}}^1$

素因数の和:217942

約数の個数: 16

約数和(自身を含む): 2836939776

約数和(自身を除く): 785700585

約数列:

[1, 3, 43, 73, 129, 219, 3139, 9417, 217823, 653469, 9366389, 15901079, 28099167, 47703237, 683746397, 2051239191]

約数ペア:

[(1, 2051239191), (3, 683746397), (43, 47703237), (73, 28099167), (129, 15901079), (219, 9366389), (3139, 653469), (9417, 217823)]