211386885

素因数分解:

$3^1\times 5^1\times {\mathrm{1979}}^1\times {\mathrm{7121}}^1$

素因数の和:9108

約数の個数: 16

約数和(自身を含む): 338437440

約数和(自身を除く): 127050555

約数列:

[1, 3, 5, 15, 1979, 5937, 7121, 9895, 21363, 29685, 35605, 106815, 14092459, 42277377, 70462295, 211386885]

約数ペア:

[(1, 211386885), (3, 70462295), (5, 42277377), (15, 14092459), (1979, 106815), (5937, 35605), (7121, 29685), (9895, 21363)]