49970439

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{8689}}^1$

素因数の和:8772

約数の個数: 20

約数和(自身を含む): 75707280

約数和(自身を除く): 25736841

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 8689, 26067, 78201, 234603, 616919, 703809, 1850757, 5552271, 16656813, 49970439]

約数ペア:

[(1, 49970439), (3, 16656813), (9, 5552271), (27, 1850757), (71, 703809), (81, 616919), (213, 234603), (639, 78201), (1917, 26067), (5751, 8689)]