123431391

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{240607}}^1$

素因数の和:240635

約数の個数: 16

約数和(自身を含む): 192486400

約数和(自身を除く): 69055009

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 240607, 721821, 2165463, 4571533, 6496389, 13714599, 41143797, 123431391]

約数ペア:

[(1, 123431391), (3, 41143797), (9, 13714599), (19, 6496389), (27, 4571533), (57, 2165463), (171, 721821), (513, 240607)]