2051217609

素因数分解:

$3^1\times 7^1\times {\mathrm{4157}}^1\times {\mathrm{23497}}^1$

素因数の和:27664

約数の個数: 16

約数和(自身を含む): 3126549888

約数和(自身を除く): 1075332279

約数列:

[1, 3, 7, 21, 4157, 12471, 23497, 29099, 70491, 87297, 164479, 493437, 97677029, 293031087, 683739203, 2051217609]

約数ペア:

[(1, 2051217609), (3, 683739203), (7, 293031087), (21, 97677029), (4157, 493437), (12471, 164479), (23497, 87297), (29099, 70491)]