28354725

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1$

素因数の和:396

約数の個数: 96

約数和(自身を含む): 63210240

約数和(自身を除く): 34855515

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 51, 63, 75, 85, 105, 119, 135, 153, 175, 189, 225, 255, 315, 353, 357, 425, 459, 525, 595, 675, 765, 945, 1059, 1071, 1275, 1575, 1765, 1785, 2295, 2471, 2975, 3177, 3213, 3825, 4725, 5295, 5355, 6001, 7413, 8825, 8925, 9531, 11475, 12355, 15885, 16065, 18003, 22239, 26475, 26775, 30005, 37065, 42007, 47655, 54009, 61775, 66717, 79425, 80325, 90015, 111195, 126021, 150025, 162027, 185325, 210035, 238275, 270045, 333585, 378063, 450075, 555975, 630105, 810135, 1050175, 1134189, 1350225, 1667925, 1890315, 3150525, 4050675, 5670945, 9451575, 28354725]

約数ペア:

[(1, 28354725), (3, 9451575), (5, 5670945), (7, 4050675), (9, 3150525), (15, 1890315), (17, 1667925), (21, 1350225), (25, 1134189), (27, 1050175), (35, 810135), (45, 630105), (51, 555975), (63, 450075), (75, 378063), (85, 333585), (105, 270045), (119, 238275), (135, 210035), (153, 185325), (175, 162027), (189, 150025), (225, 126021), (255, 111195), (315, 90015), (353, 80325), (357, 79425), (425, 66717), (459, 61775), (525, 54009), (595, 47655), (675, 42007), (765, 37065), (945, 30005), (1059, 26775), (1071, 26475), (1275, 22239), (1575, 18003), (1765, 16065), (1785, 15885), (2295, 12355), (2471, 11475), (2975, 9531), (3177, 8925), (3213, 8825), (3825, 7413), (4725, 6001), (5295, 5355)]