865681971

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{1483}}^1$

素因数の和:1549

約数の個数: 72

約数和(自身を含む): 1546945344

約数和(自身を除く): 681263373

約数列:

[1, 3, 7, 11, 19, 21, 33, 49, 57, 77, 133, 147, 209, 231, 361, 399, 539, 627, 931, 1083, 1463, 1483, 1617, 2527, 2793, 3971, 4389, 4449, 7581, 10241, 10381, 11913, 16313, 17689, 27797, 28177, 30723, 31143, 48939, 53067, 72667, 83391, 84531, 114191, 194579, 197239, 218001, 309947, 342573, 535363, 583737, 591717, 799337, 929841, 1380673, 1606089, 2169629, 2398011, 3747541, 4142019, 5888993, 6508887, 11242623, 15187403, 17666979, 26232787, 41222951, 45562209, 78698361, 123668853, 288560657, 865681971]

約数ペア:

[(1, 865681971), (3, 288560657), (7, 123668853), (11, 78698361), (19, 45562209), (21, 41222951), (33, 26232787), (49, 17666979), (57, 15187403), (77, 11242623), (133, 6508887), (147, 5888993), (209, 4142019), (231, 3747541), (361, 2398011), (399, 2169629), (539, 1606089), (627, 1380673), (931, 929841), (1083, 799337), (1463, 591717), (1483, 583737), (1617, 535363), (2527, 342573), (2793, 309947), (3971, 218001), (4389, 197239), (4449, 194579), (7581, 114191), (10241, 84531), (10381, 83391), (11913, 72667), (16313, 53067), (17689, 48939), (27797, 31143), (28177, 30723)]