254080215

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1669}}^1$

素因数の和:1896

約数の個数: 48

約数和(自身を含む): 468936000

約数和(自身を除く): 214855785

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 199, 255, 597, 765, 995, 1669, 1791, 2985, 3383, 5007, 8345, 8955, 10149, 15021, 16915, 25035, 28373, 30447, 50745, 75105, 85119, 141865, 152235, 255357, 332131, 425595, 996393, 1276785, 1660655, 2989179, 4981965, 5646227, 14945895, 16938681, 28231135, 50816043, 84693405, 254080215]

約数ペア:

[(1, 254080215), (3, 84693405), (5, 50816043), (9, 28231135), (15, 16938681), (17, 14945895), (45, 5646227), (51, 4981965), (85, 2989179), (153, 1660655), (199, 1276785), (255, 996393), (597, 425595), (765, 332131), (995, 255357), (1669, 152235), (1791, 141865), (2985, 85119), (3383, 75105), (5007, 50745), (8345, 30447), (8955, 28373), (10149, 25035), (15021, 16915)]