201648195

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640153}}^1$

素因数の和:640171

約数の個数: 24

約数和(自身を含む): 399456096

約数和(自身を除く): 197807901

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640153, 1920459, 3200765, 4481071, 5761377, 9602295, 13443213, 22405355, 28806885, 40329639, 67216065, 201648195]

約数ペア:

[(1, 201648195), (3, 67216065), (5, 40329639), (7, 28806885), (9, 22405355), (15, 13443213), (21, 9602295), (35, 5761377), (45, 4481071), (63, 3200765), (105, 1920459), (315, 640153)]