12280005

素因数分解:

$3^7\times 5^1\times {\mathrm{1123}}^1$

素因数の和:1149

約数の個数: 32

約数和(自身を含む): 22120320

約数和(自身を除く): 9840315

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 729, 1123, 1215, 2187, 3369, 3645, 5615, 10107, 10935, 16845, 30321, 50535, 90963, 151605, 272889, 454815, 818667, 1364445, 2456001, 4093335, 12280005]

約数ペア:

[(1, 12280005), (3, 4093335), (5, 2456001), (9, 1364445), (15, 818667), (27, 454815), (45, 272889), (81, 151605), (135, 90963), (243, 50535), (405, 30321), (729, 16845), (1123, 10935), (1215, 10107), (2187, 5615), (3369, 3645)]