156864513

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211693}}^1$

素因数の和:211728

約数の個数: 16

約数和(自身を含む): 237097280

約数和(自身を除く): 80232767

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 211693, 635079, 2752009, 4022167, 8256027, 12066501, 52288171, 156864513]

約数ペア:

[(1, 156864513), (3, 52288171), (13, 12066501), (19, 8256027), (39, 4022167), (57, 2752009), (247, 635079), (741, 211693)]