520055297613

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{221394337}}^1$

素因数の和:221394378

約数の個数: 20

約数和(自身を含む): 803661446940

約数和(自身を除く): 283606149327

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 221394337, 664183011, 1992549033, 5977647099, 6420435773, 17932941297, 19261307319, 57783921957, 173351765871, 520055297613]

約数ペア:

[(1, 520055297613), (3, 173351765871), (9, 57783921957), (27, 19261307319), (29, 17932941297), (81, 6420435773), (87, 5977647099), (261, 1992549033), (783, 664183011), (2349, 221394337)]