27701415

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{739}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 59220720

約数和(自身を除く): 31519305

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 49, 51, 63, 85, 105, 119, 147, 153, 245, 255, 315, 357, 441, 595, 735, 739, 765, 833, 1071, 1785, 2205, 2217, 2499, 3695, 4165, 5173, 5355, 6651, 7497, 11085, 12495, 12563, 15519, 25865, 33255, 36211, 37485, 37689, 46557, 62815, 77595, 87941, 108633, 113067, 181055, 188445, 232785, 263823, 325899, 439705, 543165, 565335, 615587, 791469, 1319115, 1629495, 1846761, 3077935, 3957345, 5540283, 9233805, 27701415]

約数ペア:

[(1, 27701415), (3, 9233805), (5, 5540283), (7, 3957345), (9, 3077935), (15, 1846761), (17, 1629495), (21, 1319115), (35, 791469), (45, 615587), (49, 565335), (51, 543165), (63, 439705), (85, 325899), (105, 263823), (119, 232785), (147, 188445), (153, 181055), (245, 113067), (255, 108633), (315, 87941), (357, 77595), (441, 62815), (595, 46557), (735, 37689), (739, 37485), (765, 36211), (833, 33255), (1071, 25865), (1785, 15519), (2205, 12563), (2217, 12495), (2499, 11085), (3695, 7497), (4165, 6651), (5173, 5355)]