211988385

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1343

約数の個数: 96

約数和(自身を含む): 459343872

約数和(自身を除く): 247355487

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 31, 35, 45, 51, 63, 85, 93, 105, 119, 153, 155, 217, 255, 279, 315, 357, 465, 527, 595, 651, 765, 1071, 1085, 1277, 1395, 1581, 1785, 1953, 2635, 3255, 3689, 3831, 4743, 5355, 6385, 7905, 8939, 9765, 11067, 11493, 18445, 19155, 21709, 23715, 26817, 33201, 39587, 44695, 55335, 57465, 65127, 80451, 108545, 118761, 134085, 151963, 166005, 195381, 197935, 277109, 325635, 356283, 402255, 455889, 593805, 672979, 759815, 831327, 976905, 1367667, 1385545, 1781415, 2018937, 2279445, 2493981, 3364895, 4156635, 4710853, 6056811, 6838335, 10094685, 12469905, 14132559, 23554265, 30284055, 42397677, 70662795, 211988385]

約数ペア:

[(1, 211988385), (3, 70662795), (5, 42397677), (7, 30284055), (9, 23554265), (15, 14132559), (17, 12469905), (21, 10094685), (31, 6838335), (35, 6056811), (45, 4710853), (51, 4156635), (63, 3364895), (85, 2493981), (93, 2279445), (105, 2018937), (119, 1781415), (153, 1385545), (155, 1367667), (217, 976905), (255, 831327), (279, 759815), (315, 672979), (357, 593805), (465, 455889), (527, 402255), (595, 356283), (651, 325635), (765, 277109), (1071, 197935), (1085, 195381), (1277, 166005), (1395, 151963), (1581, 134085), (1785, 118761), (1953, 108545), (2635, 80451), (3255, 65127), (3689, 57465), (3831, 55335), (4743, 44695), (5355, 39587), (6385, 33201), (7905, 26817), (8939, 23715), (9765, 21709), (11067, 19155), (11493, 18445)]