219874719

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:639

約数の個数: 32

約数和(自身を含む): 317399040

約数和(自身を除く): 97524321

約数列:

[1, 3, 17, 51, 83, 127, 249, 381, 409, 1227, 1411, 2159, 4233, 6477, 6953, 10541, 20859, 31623, 33947, 51943, 101841, 155829, 179197, 537591, 577099, 883031, 1731297, 2649093, 4311269, 12933807, 73291573, 219874719]

約数ペア:

[(1, 219874719), (3, 73291573), (17, 12933807), (51, 4311269), (83, 2649093), (127, 1731297), (249, 883031), (381, 577099), (409, 537591), (1227, 179197), (1411, 155829), (2159, 101841), (4233, 51943), (6477, 33947), (6953, 31623), (10541, 20859)]