28193967

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{54959}}^1$

素因数の和:54987

約数の個数: 16

約数和(自身を含む): 43968000

約数和(自身を除く): 15774033

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 54959, 164877, 494631, 1044221, 1483893, 3132663, 9397989, 28193967]

約数ペア:

[(1, 28193967), (3, 9397989), (9, 3132663), (19, 1483893), (27, 1044221), (57, 494631), (171, 164877), (513, 54959)]