207405

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 393120

約数和(自身を除く): 185715

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 419, 495, 1257, 2095, 3771, 4609, 6285, 13827, 18855, 23045, 41481, 69135, 207405]

約数ペア:

[(1, 207405), (3, 69135), (5, 41481), (9, 23045), (11, 18855), (15, 13827), (33, 6285), (45, 4609), (55, 3771), (99, 2095), (165, 1257), (419, 495)]