201647565

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{640151}}^1$

素因数の和:640169

約数の個数: 24

約数和(自身を含む): 399454848

約数和(自身を除く): 197807283

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 640151, 1920453, 3200755, 4481057, 5761359, 9602265, 13443171, 22405285, 28806795, 40329513, 67215855, 201647565]

約数ペア:

[(1, 201647565), (3, 67215855), (5, 40329513), (7, 28806795), (9, 22405285), (15, 13443171), (21, 9602265), (35, 5761359), (45, 4481057), (63, 3200755), (105, 1920453), (315, 640151)]