209730873

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{647}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 330946560

約数和(自身を除く): 121215687

約数列:

[1, 3, 11, 19, 33, 47, 57, 121, 141, 209, 363, 517, 627, 647, 893, 1551, 1941, 2299, 2679, 5687, 6897, 7117, 9823, 12293, 17061, 21351, 29469, 30409, 36879, 78287, 91227, 108053, 135223, 234861, 324159, 334499, 405669, 577771, 1003497, 1487453, 1733313, 3679489, 4462359, 6355481, 11038467, 19066443, 69910291, 209730873]

約数ペア:

[(1, 209730873), (3, 69910291), (11, 19066443), (19, 11038467), (33, 6355481), (47, 4462359), (57, 3679489), (121, 1733313), (141, 1487453), (209, 1003497), (363, 577771), (517, 405669), (627, 334499), (647, 324159), (893, 234861), (1551, 135223), (1941, 108053), (2299, 91227), (2679, 78287), (5687, 36879), (6897, 30409), (7117, 29469), (9823, 21351), (12293, 17061)]