221279259

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{859}}^1\times {\mathrm{5051}}^1$

素因数の和:5930

約数の個数: 16

約数和(自身を含む): 312819840

約数和(自身を除く): 91540581

約数列:

[1, 3, 17, 51, 859, 2577, 5051, 14603, 15153, 43809, 85867, 257601, 4338809, 13016427, 73759753, 221279259]

約数ペア:

[(1, 221279259), (3, 73759753), (17, 13016427), (51, 4338809), (859, 257601), (2577, 85867), (5051, 43809), (14603, 15153)]