16729881

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 26492928

約数和(自身を除く): 9763047

約数列:

[1, 3, 7, 21, 43, 97, 129, 191, 291, 301, 573, 679, 903, 1337, 2037, 4011, 4171, 8213, 12513, 18527, 24639, 29197, 55581, 57491, 87591, 129689, 172473, 389067, 796661, 2389983, 5576627, 16729881]

約数ペア:

[(1, 16729881), (3, 5576627), (7, 2389983), (21, 796661), (43, 389067), (97, 172473), (129, 129689), (191, 87591), (291, 57491), (301, 55581), (573, 29197), (679, 24639), (903, 18527), (1337, 12513), (2037, 8213), (4011, 4171)]