199432815

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{3907}}^1$

素因数の和:4039

約数の個数: 32

約数和(自身を含む): 330898176

約数和(自身を除く): 131465361

約数列:

[1, 3, 5, 15, 41, 83, 123, 205, 249, 415, 615, 1245, 3403, 3907, 10209, 11721, 17015, 19535, 51045, 58605, 160187, 324281, 480561, 800935, 972843, 1621405, 2402805, 4864215, 13295521, 39886563, 66477605, 199432815]

約数ペア:

[(1, 199432815), (3, 66477605), (5, 39886563), (15, 13295521), (41, 4864215), (83, 2402805), (123, 1621405), (205, 972843), (249, 800935), (415, 480561), (615, 324281), (1245, 160187), (3403, 58605), (3907, 51045), (10209, 19535), (11721, 17015)]