428508729

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 751196160

約数和(自身を除く): 322687431

約数列:

[1, 3, 9, 11, 19, 33, 37, 47, 57, 99, 111, 131, 141, 171, 209, 333, 393, 407, 423, 517, 627, 703, 893, 1179, 1221, 1441, 1551, 1739, 1881, 2109, 2489, 2679, 3663, 4323, 4653, 4847, 5217, 6157, 6327, 7467, 7733, 8037, 9823, 12969, 14541, 15651, 18471, 19129, 22401, 23199, 27379, 29469, 33041, 43623, 53317, 55413, 57387, 67727, 69597, 82137, 88407, 92093, 99123, 116983, 159951, 172161, 203181, 227809, 246411, 276279, 297369, 350949, 363451, 479853, 609543, 683427, 828837, 1013023, 1052847, 1090353, 1286813, 2050281, 2505899, 3039069, 3271059, 3860439, 4328371, 7517697, 9117207, 11581317, 12985113, 22553091, 38955339, 47612081, 142836243, 428508729]

約数ペア:

[(1, 428508729), (3, 142836243), (9, 47612081), (11, 38955339), (19, 22553091), (33, 12985113), (37, 11581317), (47, 9117207), (57, 7517697), (99, 4328371), (111, 3860439), (131, 3271059), (141, 3039069), (171, 2505899), (209, 2050281), (333, 1286813), (393, 1090353), (407, 1052847), (423, 1013023), (517, 828837), (627, 683427), (703, 609543), (893, 479853), (1179, 363451), (1221, 350949), (1441, 297369), (1551, 276279), (1739, 246411), (1881, 227809), (2109, 203181), (2489, 172161), (2679, 159951), (3663, 116983), (4323, 99123), (4653, 92093), (4847, 88407), (5217, 82137), (6157, 69597), (6327, 67727), (7467, 57387), (7733, 55413), (8037, 53317), (9823, 43623), (12969, 33041), (14541, 29469), (15651, 27379), (18471, 23199), (19129, 22401)]