208067985

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{65123}}^1$

素因数の和:65205

約数の個数: 24

約数和(自身を含む): 365736384

約数和(自身を除く): 157668399

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 65123, 195369, 325615, 586107, 976845, 2930535, 4623733, 13871199, 23118665, 41613597, 69355995, 208067985]

約数ペア:

[(1, 208067985), (3, 69355995), (5, 41613597), (9, 23118665), (15, 13871199), (45, 4623733), (71, 2930535), (213, 976845), (355, 586107), (639, 325615), (1065, 195369), (3195, 65123)]