15939897

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 23887872

約数和(自身を除く): 7947975

約数列:

[1, 3, 17, 23, 51, 69, 107, 127, 321, 381, 391, 1173, 1819, 2159, 2461, 2921, 5457, 6477, 7383, 8763, 13589, 40767, 41837, 49657, 125511, 148971, 231013, 312547, 693039, 937641, 5313299, 15939897]

約数ペア:

[(1, 15939897), (3, 5313299), (17, 937641), (23, 693039), (51, 312547), (69, 231013), (107, 148971), (127, 125511), (321, 49657), (381, 41837), (391, 40767), (1173, 13589), (1819, 8763), (2159, 7383), (2461, 6477), (2921, 5457)]