2180921721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3887561}}^1$

素因数の和:3887592

約数の個数: 16

約数和(自身を含む): 3358853568

約数和(自身を除く): 1177931847

約数列:

[1, 3, 11, 17, 33, 51, 187, 561, 3887561, 11662683, 42763171, 66088537, 128289513, 198265611, 726973907, 2180921721]

約数ペア:

[(1, 2180921721), (3, 726973907), (11, 198265611), (17, 128289513), (33, 66088537), (51, 42763171), (187, 11662683), (561, 3887561)]