255836007

素因数分解:

$3^2\times 7^2\times {\mathrm{19}}^2\times {\mathrm{1607}}^1$

素因数の和:1665

約数の個数: 54

約数和(自身を含む): 453972168

約数和(自身を除く): 198136161

約数列:

[1, 3, 7, 9, 19, 21, 49, 57, 63, 133, 147, 171, 361, 399, 441, 931, 1083, 1197, 1607, 2527, 2793, 3249, 4821, 7581, 8379, 11249, 14463, 17689, 22743, 30533, 33747, 53067, 78743, 91599, 101241, 159201, 213731, 236229, 274797, 580127, 641193, 708687, 1496117, 1740381, 1923579, 4060889, 4488351, 5221143, 12182667, 13465053, 28426223, 36548001, 85278669, 255836007]

約数ペア:

[(1, 255836007), (3, 85278669), (7, 36548001), (9, 28426223), (19, 13465053), (21, 12182667), (49, 5221143), (57, 4488351), (63, 4060889), (133, 1923579), (147, 1740381), (171, 1496117), (361, 708687), (399, 641193), (441, 580127), (931, 274797), (1083, 236229), (1197, 213731), (1607, 159201), (2527, 101241), (2793, 91599), (3249, 78743), (4821, 53067), (7581, 33747), (8379, 30533), (11249, 22743), (14463, 17689)]