311391

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:635

約数の個数: 16

約数和(自身を含む): 486400

約数和(自身を除く): 175009

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 607, 1821, 5463, 11533, 16389, 34599, 103797, 311391]

約数ペア:

[(1, 311391), (3, 103797), (9, 34599), (19, 16389), (27, 11533), (57, 5463), (171, 1821), (513, 607)]