215329765

素因数分解:

$5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{6323}}^1$

素因数の和:6481

約数の個数: 24

約数和(自身を含む): 302793120

約数和(自身を除く): 87463355

約数列:

[1, 5, 7, 35, 49, 139, 245, 695, 973, 4865, 6323, 6811, 31615, 34055, 44261, 221305, 309827, 878897, 1549135, 4394485, 6152279, 30761395, 43065953, 215329765]

約数ペア:

[(1, 215329765), (5, 43065953), (7, 30761395), (35, 6152279), (49, 4394485), (139, 1549135), (245, 878897), (695, 309827), (973, 221305), (4865, 44261), (6323, 34055), (6811, 31615)]