57981513

素因数分解:

$3^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:896

約数の個数: 16

約数和(自身を含む): 78266880

約数和(自身を除く): 20285367

約数列:

[1, 3, 157, 257, 471, 479, 771, 1437, 40349, 75203, 121047, 123103, 225609, 369309, 19327171, 57981513]

約数ペア:

[(1, 57981513), (3, 19327171), (157, 369309), (257, 225609), (471, 123103), (479, 121047), (771, 75203), (1437, 40349)]