7213185

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:487

約数の個数: 64

約数和(自身を含む): 15552000

約数和(自身を除く): 8338815

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 27, 35, 45, 51, 63, 85, 105, 119, 135, 153, 189, 255, 315, 357, 449, 459, 595, 765, 945, 1071, 1347, 1785, 2245, 2295, 3143, 3213, 4041, 5355, 6735, 7633, 9429, 12123, 15715, 16065, 20205, 22899, 28287, 38165, 47145, 53431, 60615, 68697, 84861, 114495, 141435, 160293, 206091, 267155, 343485, 424305, 480879, 801465, 1030455, 1442637, 2404395, 7213185]

約数ペア:

[(1, 7213185), (3, 2404395), (5, 1442637), (7, 1030455), (9, 801465), (15, 480879), (17, 424305), (21, 343485), (27, 267155), (35, 206091), (45, 160293), (51, 141435), (63, 114495), (85, 84861), (105, 68697), (119, 60615), (135, 53431), (153, 47145), (189, 38165), (255, 28287), (315, 22899), (357, 20205), (449, 16065), (459, 15715), (595, 12123), (765, 9429), (945, 7633), (1071, 6735), (1347, 5355), (1785, 4041), (2245, 3213), (2295, 3143)]