2021991309

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{5760659}}^1$

素因数の和:5760681

約数の個数: 16

約数和(自身を含む): 3225969600

約数和(自身を除く): 1203978291

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 5760659, 17281977, 51845931, 74888567, 155537793, 224665701, 673997103, 2021991309]

約数ペア:

[(1, 2021991309), (3, 673997103), (9, 224665701), (13, 155537793), (27, 74888567), (39, 51845931), (117, 17281977), (351, 5760659)]