205121343

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137573}}^1$

素因数の和:137654

約数の個数: 16

約数和(自身を含む): 316970496

約数和(自身を除く): 111849153

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 137573, 412719, 963011, 2889033, 9767683, 29303049, 68373781, 205121343]

約数ペア:

[(1, 205121343), (3, 68373781), (7, 29303049), (21, 9767683), (71, 2889033), (213, 963011), (497, 412719), (1491, 137573)]