8209725

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 48

約数和(自身を含む): 14784768

約数和(自身を除く): 6575043

約数列:

[1, 3, 5, 15, 17, 25, 47, 51, 75, 85, 137, 141, 235, 255, 411, 425, 685, 705, 799, 1175, 1275, 2055, 2329, 2397, 3425, 3525, 3995, 6439, 6987, 10275, 11645, 11985, 19317, 19975, 32195, 34935, 58225, 59925, 96585, 109463, 160975, 174675, 328389, 482925, 547315, 1641945, 2736575, 8209725]

約数ペア:

[(1, 8209725), (3, 2736575), (5, 1641945), (15, 547315), (17, 482925), (25, 328389), (47, 174675), (51, 160975), (75, 109463), (85, 96585), (137, 59925), (141, 58225), (235, 34935), (255, 32195), (411, 19975), (425, 19317), (685, 11985), (705, 11645), (799, 10275), (1175, 6987), (1275, 6439), (2055, 3995), (2329, 3525), (2397, 3425)]