128217909

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{16183}}^1$

素因数の和:16344

約数の個数: 16

約数和(自身を含む): 181260800

約数和(自身を除く): 53042891

約数列:

[1, 3, 19, 57, 139, 417, 2641, 7923, 16183, 48549, 307477, 922431, 2249437, 6748311, 42739303, 128217909]

約数ペア:

[(1, 128217909), (3, 42739303), (19, 6748311), (57, 2249437), (139, 922431), (417, 307477), (2641, 48549), (7923, 16183)]