1903581

素因数分解:

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

素因数の和:414

約数の個数: 20

約数和(自身を含む): 2892384

約数和(自身を除く): 988803

約数列:

[1, 3, 9, 27, 71, 81, 213, 331, 639, 993, 1917, 2979, 5751, 8937, 23501, 26811, 70503, 211509, 634527, 1903581]

約数ペア:

[(1, 1903581), (3, 634527), (9, 211509), (27, 70503), (71, 26811), (81, 23501), (213, 8937), (331, 5751), (639, 2979), (993, 1917)]