218025

素因数分解:

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

素因数の和:55

約数の個数: 48

約数和(自身を含む): 446400

約数和(自身を除く): 228375

約数列:

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

約数ペア:

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