81754878

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{21191}}^1$

素因数の和:21839

約数の個数: 16

約数和(自身を含む): 163771776

約数和(自身を除く): 82016898

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 21191, 42382, 63573, 127146, 13625813, 27251626, 40877439, 81754878]

約数ペア:

[(1, 81754878), (2, 40877439), (3, 27251626), (6, 13625813), (643, 127146), (1286, 63573), (1929, 42382), (3858, 21191)]