68712315

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1301}}^1$

素因数の和:1819

約数の個数: 32

約数和(自身を含む): 125991936

約数和(自身を除く): 57279621

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 503, 1301, 1509, 2515, 3521, 3903, 6505, 7545, 9107, 10563, 17605, 19515, 27321, 45535, 52815, 136605, 654403, 1963209, 3272015, 4580821, 9816045, 13742463, 22904105, 68712315]

約数ペア:

[(1, 68712315), (3, 22904105), (5, 13742463), (7, 9816045), (15, 4580821), (21, 3272015), (35, 1963209), (105, 654403), (503, 136605), (1301, 52815), (1509, 45535), (2515, 27321), (3521, 19515), (3903, 17605), (6505, 10563), (7545, 9107)]