1520674479

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{647371}}^1$

素因数の和:647412

約数の個数: 20

約数和(自身を含む): 2349960360

約数和(自身を除く): 829285881

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 647371, 1942113, 5826339, 17479017, 18773759, 52437051, 56321277, 168963831, 506891493, 1520674479]

約数ペア:

[(1, 1520674479), (3, 506891493), (9, 168963831), (27, 56321277), (29, 52437051), (81, 18773759), (87, 17479017), (261, 5826339), (783, 1942113), (2349, 647371)]