12199815

素因数分解:

$3^6\times 5^1\times {\mathrm{3347}}^1$

素因数の和:3370

約数の個数: 28

約数和(自身を含む): 21956184

約数和(自身を除く): 9756369

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1215, 3347, 3645, 10041, 16735, 30123, 50205, 90369, 150615, 271107, 451845, 813321, 1355535, 2439963, 4066605, 12199815]

約数ペア:

[(1, 12199815), (3, 4066605), (5, 2439963), (9, 1355535), (15, 813321), (27, 451845), (45, 271107), (81, 150615), (135, 90369), (243, 50205), (405, 30123), (729, 16735), (1215, 10041), (3347, 3645)]