2691855

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1459}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 4782960

約数和(自身を除く): 2091105

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1459, 1845, 4377, 7295, 13131, 21885, 59819, 65655, 179457, 299095, 538371, 897285, 2691855]

約数ペア:

[(1, 2691855), (3, 897285), (5, 538371), (9, 299095), (15, 179457), (41, 65655), (45, 59819), (123, 21885), (205, 13131), (369, 7295), (615, 4377), (1459, 1845)]