512487

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 28

約数和(自身を含む): 830680

約数和(自身を除く): 318193

約数列:

[1, 3, 9, 19, 27, 37, 57, 81, 111, 171, 243, 333, 513, 703, 729, 999, 1539, 2109, 2997, 4617, 6327, 8991, 13851, 18981, 26973, 56943, 170829, 512487]

約数ペア:

[(1, 512487), (3, 170829), (9, 56943), (19, 26973), (27, 18981), (37, 13851), (57, 8991), (81, 6327), (111, 4617), (171, 2997), (243, 2109), (333, 1539), (513, 999), (703, 729)]