405768105

素因数分解:

$3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{64871}}^1$

素因数の和:65021

約数の個数: 24

約数和(自身を含む): 708402240

約数和(自身を除く): 302634135

約数列:

[1, 3, 5, 9, 15, 45, 139, 417, 695, 1251, 2085, 6255, 64871, 194613, 324355, 583839, 973065, 2919195, 9017069, 27051207, 45085345, 81153621, 135256035, 405768105]

約数ペア:

[(1, 405768105), (3, 135256035), (5, 81153621), (9, 45085345), (15, 27051207), (45, 9017069), (139, 2919195), (417, 973065), (695, 583839), (1251, 324355), (2085, 194613), (6255, 64871)]