28463721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1613

約数の個数: 32

約数和(自身を含む): 45652992

約数和(自身を除く): 17189271

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1419, 1543, 1677, 4629, 6149, 16973, 18447, 20059, 50919, 60177, 66349, 199047, 220649, 661947, 729839, 862537, 2189517, 2587611, 9487907, 28463721]

約数ペア:

[(1, 28463721), (3, 9487907), (11, 2587611), (13, 2189517), (33, 862537), (39, 729839), (43, 661947), (129, 220649), (143, 199047), (429, 66349), (473, 60177), (559, 50919), (1419, 20059), (1543, 18447), (1677, 16973), (4629, 6149)]