216826551

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{2971}}^1$

素因数の和:3053

約数の個数: 40

約数和(自身を含む): 349542864

約数和(自身を除く): 132716313

約数列:

[1, 3, 9, 17, 27, 51, 53, 81, 153, 159, 459, 477, 901, 1377, 1431, 2703, 2971, 4293, 8109, 8913, 24327, 26739, 50507, 72981, 80217, 151521, 157463, 240651, 454563, 472389, 1363689, 1417167, 2676871, 4091067, 4251501, 8030613, 12754503, 24091839, 72275517, 216826551]

約数ペア:

[(1, 216826551), (3, 72275517), (9, 24091839), (17, 12754503), (27, 8030613), (51, 4251501), (53, 4091067), (81, 2676871), (153, 1417167), (159, 1363689), (459, 472389), (477, 454563), (901, 240651), (1377, 157463), (1431, 151521), (2703, 80217), (2971, 72981), (4293, 50507), (8109, 26739), (8913, 24327)]