6680745

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 13063680

約数和(自身を除く): 6382935

約数列:

[1, 3, 5, 9, 15, 17, 27, 41, 45, 51, 71, 85, 123, 135, 153, 205, 213, 255, 355, 369, 459, 615, 639, 697, 765, 1065, 1107, 1207, 1845, 1917, 2091, 2295, 2911, 3195, 3485, 3621, 5535, 6035, 6273, 8733, 9585, 10455, 10863, 14555, 18105, 18819, 26199, 31365, 32589, 43665, 49487, 54315, 78597, 94095, 130995, 148461, 162945, 247435, 392985, 445383, 742305, 1336149, 2226915, 6680745]

約数ペア:

[(1, 6680745), (3, 2226915), (5, 1336149), (9, 742305), (15, 445383), (17, 392985), (27, 247435), (41, 162945), (45, 148461), (51, 130995), (71, 94095), (85, 78597), (123, 54315), (135, 49487), (153, 43665), (205, 32589), (213, 31365), (255, 26199), (355, 18819), (369, 18105), (459, 14555), (615, 10863), (639, 10455), (697, 9585), (765, 8733), (1065, 6273), (1107, 6035), (1207, 5535), (1845, 3621), (1917, 3485), (2091, 3195), (2295, 2911)]