204971295

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{1831}}^1$

素因数の和:2295

約数の個数: 32

約数和(自身を含む): 348226560

約数和(自身を除く): 143255265

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 439, 1317, 1831, 2195, 5493, 6585, 7463, 9155, 22389, 27465, 31127, 37315, 93381, 111945, 155635, 466905, 803809, 2411427, 4019045, 12057135, 13664753, 40994259, 68323765, 204971295]

約数ペア:

[(1, 204971295), (3, 68323765), (5, 40994259), (15, 13664753), (17, 12057135), (51, 4019045), (85, 2411427), (255, 803809), (439, 466905), (1317, 155635), (1831, 111945), (2195, 93381), (5493, 37315), (6585, 31127), (7463, 27465), (9155, 22389)]