1641945

素因数分解:

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

素因数の和:209

約数の個数: 32

約数和(自身を含む): 2861568

約数和(自身を除く): 1219623

約数列:

[1, 3, 5, 15, 17, 47, 51, 85, 137, 141, 235, 255, 411, 685, 705, 799, 2055, 2329, 2397, 3995, 6439, 6987, 11645, 11985, 19317, 32195, 34935, 96585, 109463, 328389, 547315, 1641945]

約数ペア:

[(1, 1641945), (3, 547315), (5, 328389), (15, 109463), (17, 96585), (47, 34935), (51, 32195), (85, 19317), (137, 11985), (141, 11645), (235, 6987), (255, 6439), (411, 3995), (685, 2397), (705, 2329), (799, 2055)]