978435

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 1797120

約数和(自身を除く): 818685

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 1279, 3837, 6395, 11511, 19185, 21743, 57555, 65229, 108715, 195687, 326145, 978435]

約数ペア:

[(1, 978435), (3, 326145), (5, 195687), (9, 108715), (15, 65229), (17, 57555), (45, 21743), (51, 19185), (85, 11511), (153, 6395), (255, 3837), (765, 1279)]