206223885

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{654679}}^1$

素因数の和:654697

約数の個数: 24

約数和(自身を含む): 408520320

約数和(自身を除く): 202296435

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 654679, 1964037, 3273395, 4582753, 5892111, 9820185, 13748259, 22913765, 29460555, 41244777, 68741295, 206223885]

約数ペア:

[(1, 206223885), (3, 68741295), (5, 41244777), (7, 29460555), (9, 22913765), (15, 13748259), (21, 9820185), (35, 5892111), (45, 4582753), (63, 3273395), (105, 1964037), (315, 654679)]