399880707

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{132367}}^1$

素因数の和:132442

約数の個数: 16

約数和(自身を含む): 571829760

約数和(自身を除く): 171949053

約数列:

[1, 3, 19, 53, 57, 159, 1007, 3021, 132367, 397101, 2514973, 7015451, 7544919, 21046353, 133293569, 399880707]

約数ペア:

[(1, 399880707), (3, 133293569), (19, 21046353), (53, 7544919), (57, 7015451), (159, 2514973), (1007, 397101), (3021, 132367)]