339976221

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{21739}}^1$

素因数の和:22156

約数の個数: 16

約数和(自身を含む): 489410880

約数和(自身を除く): 149434659

約数列:

[1, 3, 13, 39, 401, 1203, 5213, 15639, 21739, 65217, 282607, 847821, 8717339, 26152017, 113325407, 339976221]

約数ペア:

[(1, 339976221), (3, 113325407), (13, 26152017), (39, 8717339), (401, 847821), (1203, 282607), (5213, 65217), (15639, 21739)]