2106891

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:105

約数の個数: 30

約数和(自身を含む): 3404940

約数和(自身を除く): 1298049

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 333, 513, 703, 999, 1369, 1539, 2109, 2997, 4107, 6327, 12321, 18981, 26011, 36963, 56943, 78033, 110889, 234099, 702297, 2106891]

約数ペア:

[(1, 2106891), (3, 702297), (9, 234099), (19, 110889), (27, 78033), (37, 56943), (57, 36963), (81, 26011), (111, 18981), (171, 12321), (333, 6327), (513, 4107), (703, 2997), (999, 2109), (1369, 1539)]