538440981

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{726641}}^1$

素因数の和:726676

約数の個数: 16

約数和(自身を含む): 813839040

約数和(自身を除く): 275398059

約数列:

[1, 3, 13, 19, 39, 57, 247, 741, 726641, 2179923, 9446333, 13806179, 28338999, 41418537, 179480327, 538440981]

約数ペア:

[(1, 538440981), (3, 179480327), (13, 41418537), (19, 28338999), (39, 13806179), (57, 9446333), (247, 2179923), (741, 726641)]