516321

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1471}}^1$

素因数の和:1493

約数の個数: 16

約数和(自身を含む): 824320

約数和(自身を除く): 307999

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1471, 4413, 13239, 19123, 39717, 57369, 172107, 516321]

約数ペア:

[(1, 516321), (3, 172107), (9, 57369), (13, 39717), (27, 19123), (39, 13239), (117, 4413), (351, 1471)]