730863

素因数分解:

$3^4\times 7^1\times {\mathrm{1289}}^1$

素因数の和:1308

約数の個数: 20

約数和(自身を含む): 1248720

約数和(自身を除く): 517857

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 1289, 3867, 9023, 11601, 27069, 34803, 81207, 104409, 243621, 730863]

約数ペア:

[(1, 730863), (3, 243621), (7, 104409), (9, 81207), (21, 34803), (27, 27069), (63, 11601), (81, 9023), (189, 3867), (567, 1289)]