12700863

素因数分解:

$3^2\times 7^1\times {\mathrm{449}}^2$

素因数の和:911

約数の個数: 18

約数和(自身を含む): 21013304

約数和(自身を除く): 8312441

約数列:

[1, 3, 7, 9, 21, 63, 449, 1347, 3143, 4041, 9429, 28287, 201601, 604803, 1411207, 1814409, 4233621, 12700863]

約数ペア:

[(1, 12700863), (3, 4233621), (7, 1814409), (9, 1411207), (21, 604803), (63, 201601), (449, 28287), (1347, 9429), (3143, 4041)]