61281855

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{80107}}^1$

素因数の和:80135

約数の個数: 24

約数和(自身を含む): 112471632

約数和(自身を除く): 51189777

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 80107, 240321, 400535, 720963, 1201605, 1361819, 3604815, 4085457, 6809095, 12256371, 20427285, 61281855]

約数ペア:

[(1, 61281855), (3, 20427285), (5, 12256371), (9, 6809095), (15, 4085457), (17, 3604815), (45, 1361819), (51, 1201605), (85, 720963), (153, 400535), (255, 240321), (765, 80107)]