201485655

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{639637}}^1$

素因数の和:639655

約数の個数: 24

約数和(自身を含む): 399134112

約数和(自身を除く): 197648457

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 639637, 1918911, 3198185, 4477459, 5756733, 9594555, 13432377, 22387295, 28783665, 40297131, 67161885, 201485655]

約数ペア:

[(1, 201485655), (3, 67161885), (5, 40297131), (7, 28783665), (9, 22387295), (15, 13432377), (21, 9594555), (35, 5756733), (45, 4477459), (63, 3198185), (105, 1918911), (315, 639637)]