28087035

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{709}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 47712000

約数和(自身を除く): 19624965

約数列:

[1, 3, 5, 15, 19, 57, 95, 139, 285, 417, 695, 709, 2085, 2127, 2641, 3545, 7923, 10635, 13205, 13471, 39615, 40413, 67355, 98551, 202065, 295653, 492755, 1478265, 1872469, 5617407, 9362345, 28087035]

約数ペア:

[(1, 28087035), (3, 9362345), (5, 5617407), (15, 1872469), (19, 1478265), (57, 492755), (95, 295653), (139, 202065), (285, 98551), (417, 67355), (695, 40413), (709, 39615), (2085, 13471), (2127, 13205), (2641, 10635), (3545, 7923)]