16668405

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28493}}^1$

素因数の和:28517

約数の個数: 24

約数和(自身を含む): 31115448

約数和(自身を除く): 14447043

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 28493, 85479, 142465, 256437, 370409, 427395, 1111227, 1282185, 1852045, 3333681, 5556135, 16668405]

約数ペア:

[(1, 16668405), (3, 5556135), (5, 3333681), (9, 1852045), (13, 1282185), (15, 1111227), (39, 427395), (45, 370409), (65, 256437), (117, 142465), (195, 85479), (585, 28493)]