208531755

素因数分解:

$3^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{30689}}^1$

素因数の和:30851

約数の個数: 24

約数和(自身を含む): 363860640

約数和(自身を除く): 155328885

約数列:

[1, 3, 5, 9, 15, 45, 151, 453, 755, 1359, 2265, 6795, 30689, 92067, 153445, 276201, 460335, 1381005, 4634039, 13902117, 23170195, 41706351, 69510585, 208531755]

約数ペア:

[(1, 208531755), (3, 69510585), (5, 41706351), (9, 23170195), (15, 13902117), (45, 4634039), (151, 1381005), (453, 460335), (755, 276201), (1359, 153445), (2265, 92067), (6795, 30689)]