1680862023

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{883}}^1$

素因数の和:1297

約数の個数: 40

約数和(自身を含む): 2556867456

約数和(自身を除く): 876005433

約数列:

[1, 3, 9, 27, 71, 81, 213, 331, 639, 883, 993, 1917, 2649, 2979, 5751, 7947, 8937, 23501, 23841, 26811, 62693, 70503, 71523, 188079, 211509, 292273, 564237, 634527, 876819, 1692711, 1903581, 2630457, 5078133, 7891371, 20751383, 23674113, 62254149, 186762447, 560287341, 1680862023]

約数ペア:

[(1, 1680862023), (3, 560287341), (9, 186762447), (27, 62254149), (71, 23674113), (81, 20751383), (213, 7891371), (331, 5078133), (639, 2630457), (883, 1903581), (993, 1692711), (1917, 876819), (2649, 634527), (2979, 564237), (5751, 292273), (7947, 211509), (8937, 188079), (23501, 71523), (23841, 70503), (26811, 62693)]