1938087

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:420

約数の個数: 20

約数和(自身を含む): 2944656

約数和(自身を除く): 1006569

約数列:

[1, 3, 9, 27, 71, 81, 213, 337, 639, 1011, 1917, 3033, 5751, 9099, 23927, 27297, 71781, 215343, 646029, 1938087]

約数ペア:

[(1, 1938087), (3, 646029), (9, 215343), (27, 71781), (71, 27297), (81, 23927), (213, 9099), (337, 5751), (639, 3033), (1011, 1917)]