38628405

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19963}}^1$

素因数の和:20017

約数の個数: 24

約数和(自身を含む): 68516448

約数和(自身を除く): 29888043

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 19963, 59889, 99815, 179667, 299445, 858409, 898335, 2575227, 4292045, 7725681, 12876135, 38628405]

約数ペア:

[(1, 38628405), (3, 12876135), (5, 7725681), (9, 4292045), (15, 2575227), (43, 898335), (45, 858409), (129, 299445), (215, 179667), (387, 99815), (645, 59889), (1935, 19963)]