258777747

素因数分解:

$3^5\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 401925888

約数和(自身を除く): 143148141

約数列:

[1, 3, 9, 27, 53, 71, 81, 159, 213, 243, 283, 477, 639, 849, 1431, 1917, 2547, 3763, 4293, 5751, 7641, 11289, 12879, 14999, 17253, 20093, 22923, 33867, 44997, 60279, 68769, 101601, 134991, 180837, 304803, 404973, 542511, 914409, 1064929, 1214919, 1627533, 3194787, 3644757, 4882599, 9584361, 28753083, 86259249, 258777747]

約数ペア:

[(1, 258777747), (3, 86259249), (9, 28753083), (27, 9584361), (53, 4882599), (71, 3644757), (81, 3194787), (159, 1627533), (213, 1214919), (243, 1064929), (283, 914409), (477, 542511), (639, 404973), (849, 304803), (1431, 180837), (1917, 134991), (2547, 101601), (3763, 68769), (4293, 60279), (5751, 44997), (7641, 33867), (11289, 22923), (12879, 20093), (14999, 17253)]