208525815

素因数分解:

$3^2\times 5^1\times {\mathrm{1153}}^1\times {\mathrm{4019}}^1$

素因数の和:5183

約数の個数: 24

約数和(自身を含む): 361848240

約数和(自身を除く): 153322425

約数列:

[1, 3, 5, 9, 15, 45, 1153, 3459, 4019, 5765, 10377, 12057, 17295, 20095, 36171, 51885, 60285, 180855, 4633907, 13901721, 23169535, 41705163, 69508605, 208525815]

約数ペア:

[(1, 208525815), (3, 69508605), (5, 41705163), (9, 23169535), (15, 13901721), (45, 4633907), (1153, 180855), (3459, 60285), (4019, 51885), (5765, 36171), (10377, 20095), (12057, 17295)]