257702985

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{100469}}^1$

素因数の和:100502

約数の個数: 32

約数和(自身を含む): 482256000

約数和(自身を除く): 224553015

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 100469, 301407, 502345, 904221, 1507035, 1908911, 2712663, 4521105, 5726733, 9544555, 13563315, 17180199, 28633665, 51540597, 85900995, 257702985]

約数ペア:

[(1, 257702985), (3, 85900995), (5, 51540597), (9, 28633665), (15, 17180199), (19, 13563315), (27, 9544555), (45, 5726733), (57, 4521105), (95, 2712663), (135, 1908911), (171, 1507035), (285, 904221), (513, 502345), (855, 301407), (2565, 100469)]