749493

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:518

約数の個数: 20

約数和(自身を含む): 1180960

約数和(自身を除く): 431467

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 487, 513, 1461, 1539, 4383, 9253, 13149, 27759, 39447, 83277, 249831, 749493]

約数ペア:

[(1, 749493), (3, 249831), (9, 83277), (19, 39447), (27, 27759), (57, 13149), (81, 9253), (171, 4383), (487, 1539), (513, 1461)]