201660165

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{213397}}^1$

素因数の和:213418

約数の個数: 32

約数和(自身を含む): 409724160

約数和(自身を除く): 208063995

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 213397, 640191, 1066985, 1493779, 1920573, 3200955, 4481337, 5761719, 7468895, 9602865, 13444011, 22406685, 28808595, 40332033, 67220055, 201660165]

約数ペア:

[(1, 201660165), (3, 67220055), (5, 40332033), (7, 28808595), (9, 22406685), (15, 13444011), (21, 9602865), (27, 7468895), (35, 5761719), (45, 4481337), (63, 3200955), (105, 1920573), (135, 1493779), (189, 1066985), (315, 640191), (945, 213397)]