220767573

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{435439}}^1$

素因数の和:435468

約数の個数: 12

約数和(自身を含む): 318742080

約数和(自身を除く): 97974507

約数列:

[1, 3, 13, 39, 169, 507, 435439, 1306317, 5660707, 16982121, 73589191, 220767573]

約数ペア:

[(1, 220767573), (3, 73589191), (13, 16982121), (39, 5660707), (169, 1306317), (507, 435439)]