2878119

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:156

約数の個数: 32

約数和(自身を含む): 4547840

約数和(自身を除く): 1669721

約数列:

[1, 3, 9, 27, 37, 43, 67, 111, 129, 201, 333, 387, 603, 999, 1161, 1591, 1809, 2479, 2881, 4773, 7437, 8643, 14319, 22311, 25929, 42957, 66933, 77787, 106597, 319791, 959373, 2878119]

約数ペア:

[(1, 2878119), (3, 959373), (9, 319791), (27, 106597), (37, 77787), (43, 66933), (67, 42957), (111, 25929), (129, 22311), (201, 14319), (333, 8643), (387, 7437), (603, 4773), (999, 2881), (1161, 2479), (1591, 1809)]