213320139

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{6379}}^1$

素因数の和:6610

約数の個数: 16

約数和(自身を含む): 290315520

約数和(自身を除く): 76995381

約数列:

[1, 3, 71, 157, 213, 471, 6379, 11147, 19137, 33441, 452909, 1001503, 1358727, 3004509, 71106713, 213320139]

約数ペア:

[(1, 213320139), (3, 71106713), (71, 3004509), (157, 1358727), (213, 1001503), (471, 452909), (6379, 33441), (11147, 19137)]