205767905

素因数分解:

$5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{28961}}^1$

素因数の和:29009

約数の個数: 24

約数和(自身を含む): 297150120

約数和(自身を除く): 91382215

約数列:

[1, 5, 7, 29, 35, 49, 145, 203, 245, 1015, 1421, 7105, 28961, 144805, 202727, 839869, 1013635, 1419089, 4199345, 5879083, 7095445, 29395415, 41153581, 205767905]

約数ペア:

[(1, 205767905), (5, 41153581), (7, 29395415), (29, 7095445), (35, 5879083), (49, 4199345), (145, 1419089), (203, 1013635), (245, 839869), (1015, 202727), (1421, 144805), (7105, 28961)]