51592221

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{8971}}^1$

素因数の和:9054

約数の個数: 20

約数和(自身を含む): 78164064

約数和(自身を除く): 26571843

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 8971, 26913, 80739, 242217, 636941, 726651, 1910823, 5732469, 17197407, 51592221]

約数ペア:

[(1, 51592221), (3, 17197407), (9, 5732469), (27, 1910823), (71, 726651), (81, 636941), (213, 242217), (639, 80739), (1917, 26913), (5751, 8971)]