2021106981

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{249427}}^1$

素因数の和:249540

約数の個数: 16

約数和(自身を含む): 2805566144

約数和(自身を除く): 784459163

約数列:

[1, 3, 37, 73, 111, 219, 2701, 8103, 249427, 748281, 9228799, 18208171, 27686397, 54624513, 673702327, 2021106981]

約数ペア:

[(1, 2021106981), (3, 673702327), (37, 54624513), (73, 27686397), (111, 18208171), (219, 9228799), (2701, 748281), (8103, 249427)]