206516289

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{578477}}^1$

素因数の和:578504

約数の個数: 16

約数和(自身を含む): 333203328

約数和(自身を除く): 126687039

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 578477, 1735431, 4049339, 9834109, 12148017, 29502327, 68838763, 206516289]

約数ペア:

[(1, 206516289), (3, 68838763), (7, 29502327), (17, 12148017), (21, 9834109), (51, 4049339), (119, 1735431), (357, 578477)]