3945429

素因数分解:

$3^4\times {\mathrm{67}}^1\times {\mathrm{727}}^1$

素因数の和:806

約数の個数: 20

約数和(自身を含む): 5989984

約数和(自身を除く): 2044555

約数列:

[1, 3, 9, 27, 67, 81, 201, 603, 727, 1809, 2181, 5427, 6543, 19629, 48709, 58887, 146127, 438381, 1315143, 3945429]

約数ペア:

[(1, 3945429), (3, 1315143), (9, 438381), (27, 146127), (67, 58887), (81, 48709), (201, 19629), (603, 6543), (727, 5427), (1809, 2181)]