208308051

素因数分解:

$3^3\times 7^1\times {\mathrm{1102159}}^1$

素因数の和:1102175

約数の個数: 16

約数和(自身を含む): 352691200

約数和(自身を除く): 144383149

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1102159, 3306477, 7715113, 9919431, 23145339, 29758293, 69436017, 208308051]

約数ペア:

[(1, 208308051), (3, 69436017), (7, 29758293), (9, 23145339), (21, 9919431), (27, 7715113), (63, 3306477), (189, 1102159)]