1209071721

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{65543}}^1$

素因数の和:65613

約数の個数: 32

約数和(自身を含む): 1938004992

約数和(自身を除く): 728933271

約数列:

[1, 3, 11, 13, 33, 39, 43, 129, 143, 429, 473, 559, 1419, 1677, 6149, 18447, 65543, 196629, 720973, 852059, 2162919, 2556177, 2818349, 8455047, 9372649, 28117947, 31001839, 36638537, 93005517, 109915611, 403023907, 1209071721]

約数ペア:

[(1, 1209071721), (3, 403023907), (11, 109915611), (13, 93005517), (33, 36638537), (39, 31001839), (43, 28117947), (129, 9372649), (143, 8455047), (429, 2818349), (473, 2556177), (559, 2162919), (1419, 852059), (1677, 720973), (6149, 196629), (18447, 65543)]