39978777

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{479}}^1\times {\mathrm{647}}^1$

素因数の和:1172

約数の個数: 16

約数和(自身を含む): 54743040

約数和(自身を除く): 14764263

約数列:

[1, 3, 43, 129, 479, 647, 1437, 1941, 20597, 27821, 61791, 83463, 309913, 929739, 13326259, 39978777]

約数ペア:

[(1, 39978777), (3, 13326259), (43, 929739), (129, 309913), (479, 83463), (647, 61791), (1437, 27821), (1941, 20597)]