11721285

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6353}}^1$

素因数の和:6405

約数の個数: 24

約数和(自身を含む): 20815704

約数和(自身を除く): 9094419

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 6353, 19059, 31765, 57177, 95295, 260473, 285885, 781419, 1302365, 2344257, 3907095, 11721285]

約数ペア:

[(1, 11721285), (3, 3907095), (5, 2344257), (9, 1302365), (15, 781419), (41, 285885), (45, 260473), (123, 95295), (205, 57177), (369, 31765), (615, 19059), (1845, 6353)]