654075

素因数分解:

$3^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1$

素因数の和:58

約数の個数: 60

約数和(自身を含む): 1350360

約数和(自身を除く): 696285

約数列:

[1, 3, 5, 9, 15, 17, 19, 25, 27, 45, 51, 57, 75, 81, 85, 95, 135, 153, 171, 225, 255, 285, 323, 405, 425, 459, 475, 513, 675, 765, 855, 969, 1275, 1377, 1425, 1539, 1615, 2025, 2295, 2565, 2907, 3825, 4275, 4845, 6885, 7695, 8075, 8721, 11475, 12825, 14535, 24225, 26163, 34425, 38475, 43605, 72675, 130815, 218025, 654075]

約数ペア:

[(1, 654075), (3, 218025), (5, 130815), (9, 72675), (15, 43605), (17, 38475), (19, 34425), (25, 26163), (27, 24225), (45, 14535), (51, 12825), (57, 11475), (75, 8721), (81, 8075), (85, 7695), (95, 6885), (135, 4845), (153, 4275), (171, 3825), (225, 2907), (255, 2565), (285, 2295), (323, 2025), (405, 1615), (425, 1539), (459, 1425), (475, 1377), (513, 1275), (675, 969), (765, 855)]