208553667

素因数分解:

$3^1\times 7^1\times {\mathrm{607}}^1\times {\mathrm{16361}}^1$

素因数の和:16978

約数の個数: 16

約数和(自身を含む): 318339072

約数和(自身を除く): 109785405

約数列:

[1, 3, 7, 21, 607, 1821, 4249, 12747, 16361, 49083, 114527, 343581, 9931127, 29793381, 69517889, 208553667]

約数ペア:

[(1, 208553667), (3, 69517889), (7, 29793381), (21, 9931127), (607, 343581), (1821, 114527), (4249, 49083), (12747, 16361)]