856935

素因数分解:

$3^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 1506960

約数和(自身を除く): 650025

約数列:

[1, 3, 5, 9, 15, 45, 137, 139, 411, 417, 685, 695, 1233, 1251, 2055, 2085, 6165, 6255, 19043, 57129, 95215, 171387, 285645, 856935]

約数ペア:

[(1, 856935), (3, 285645), (5, 171387), (9, 95215), (15, 57129), (45, 19043), (137, 6255), (139, 6165), (411, 2085), (417, 2055), (685, 1251), (695, 1233)]