201660795

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640193}}^1$

素因数の和:640211

約数の個数: 24

約数和(自身を含む): 399481056

約数和(自身を除く): 197820261

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640193, 1920579, 3200965, 4481351, 5761737, 9602895, 13444053, 22406755, 28808685, 40332159, 67220265, 201660795]

約数ペア:

[(1, 201660795), (3, 67220265), (5, 40332159), (7, 28808685), (9, 22406755), (15, 13444053), (21, 9602895), (35, 5761737), (45, 4481351), (63, 3200965), (105, 1920579), (315, 640193)]