1689093

素因数分解:

$3^6\times 7^1\times {\mathrm{331}}^1$

素因数の和:356

約数の個数: 28

約数和(自身を含む): 2903008

約数和(自身を除く): 1213915

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 331, 567, 729, 993, 1701, 2317, 2979, 5103, 6951, 8937, 20853, 26811, 62559, 80433, 187677, 241299, 563031, 1689093]

約数ペア:

[(1, 1689093), (3, 563031), (7, 241299), (9, 187677), (21, 80433), (27, 62559), (63, 26811), (81, 20853), (189, 8937), (243, 6951), (331, 5103), (567, 2979), (729, 2317), (993, 1701)]