40639815

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{22027}}^1$

素因数の和:22079

約数の個数: 24

約数和(自身を含む): 72163728

約数和(自身を除く): 31523913

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 22027, 66081, 110135, 198243, 330405, 903107, 991215, 2709321, 4515535, 8127963, 13546605, 40639815]

約数ペア:

[(1, 40639815), (3, 13546605), (5, 8127963), (9, 4515535), (15, 2709321), (41, 991215), (45, 903107), (123, 330405), (205, 198243), (369, 110135), (615, 66081), (1845, 22027)]