27950805

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 55468800

約数和(自身を除く): 27517995

約数列:

[1, 3, 5, 9, 15, 17, 19, 27, 45, 51, 57, 85, 95, 135, 153, 171, 255, 285, 323, 459, 513, 641, 765, 855, 969, 1615, 1923, 2295, 2565, 2907, 3205, 4845, 5769, 8721, 9615, 10897, 12179, 14535, 17307, 28845, 32691, 36537, 43605, 54485, 60895, 86535, 98073, 109611, 163455, 182685, 207043, 294219, 328833, 490365, 548055, 621129, 1035215, 1471095, 1644165, 1863387, 3105645, 5590161, 9316935, 27950805]

約数ペア:

[(1, 27950805), (3, 9316935), (5, 5590161), (9, 3105645), (15, 1863387), (17, 1644165), (19, 1471095), (27, 1035215), (45, 621129), (51, 548055), (57, 490365), (85, 328833), (95, 294219), (135, 207043), (153, 182685), (171, 163455), (255, 109611), (285, 98073), (323, 86535), (459, 60895), (513, 54485), (641, 43605), (765, 36537), (855, 32691), (969, 28845), (1615, 17307), (1923, 14535), (2295, 12179), (2565, 10897), (2907, 9615), (3205, 8721), (4845, 5769)]