208814985

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{17123}}^1$

素因数の和:17405

約数の個数: 24

約数和(自身を含む): 363302784

約数和(自身を除く): 154487799

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 2439, 4065, 12195, 17123, 51369, 85615, 154107, 256845, 770535, 4640333, 13920999, 23201665, 41762997, 69604995, 208814985]

約数ペア:

[(1, 208814985), (3, 69604995), (5, 41762997), (9, 23201665), (15, 13920999), (45, 4640333), (271, 770535), (813, 256845), (1355, 154107), (2439, 85615), (4065, 51369), (12195, 17123)]