290464419

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{727981}}^1$

素因数の和:728010

約数の個数: 16

約数和(自身を含む): 465908480

約数和(自身を除く): 175444061

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 727981, 2183943, 5095867, 13831639, 15287601, 41494917, 96821473, 290464419]

約数ペア:

[(1, 290464419), (3, 96821473), (7, 41494917), (19, 15287601), (21, 13831639), (57, 5095867), (133, 2183943), (399, 727981)]