131409525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2543}}^1$

素因数の和:2622

約数の個数: 48

約数和(自身を含む): 238484736

約数和(自身を除く): 107075211

約数列:

[1, 3, 5, 13, 15, 25, 39, 53, 65, 75, 159, 195, 265, 325, 689, 795, 975, 1325, 2067, 2543, 3445, 3975, 7629, 10335, 12715, 17225, 33059, 38145, 51675, 63575, 99177, 134779, 165295, 190725, 404337, 495885, 673895, 826475, 1752127, 2021685, 2479425, 3369475, 5256381, 8760635, 10108425, 26281905, 43803175, 131409525]

約数ペア:

[(1, 131409525), (3, 43803175), (5, 26281905), (13, 10108425), (15, 8760635), (25, 5256381), (39, 3369475), (53, 2479425), (65, 2021685), (75, 1752127), (159, 826475), (195, 673895), (265, 495885), (325, 404337), (689, 190725), (795, 165295), (975, 134779), (1325, 99177), (2067, 63575), (2543, 51675), (3445, 38145), (3975, 33059), (7629, 17225), (10335, 12715)]