206505135

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{106721}}^1$

素因数の和:106775

約数の個数: 24

約数和(自身を含む): 366269904

約数和(自身を除く): 159764769

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 387, 645, 1935, 106721, 320163, 533605, 960489, 1600815, 4589003, 4802445, 13767009, 22945015, 41301027, 68835045, 206505135]

約数ペア:

[(1, 206505135), (3, 68835045), (5, 41301027), (9, 22945015), (15, 13767009), (43, 4802445), (45, 4589003), (129, 1600815), (215, 960489), (387, 533605), (645, 320163), (1935, 106721)]