320208057

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{63647}}^1$

素因数の和:63709

約数の個数: 24

約数和(自身を含む): 509693184

約数和(自身を除く): 189485127

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 63647, 190941, 572823, 827411, 2482233, 2736821, 7446699, 8210463, 24631389, 35578673, 106736019, 320208057]

約数ペア:

[(1, 320208057), (3, 106736019), (9, 35578673), (13, 24631389), (39, 8210463), (43, 7446699), (117, 2736821), (129, 2482233), (387, 827411), (559, 572823), (1677, 190941), (5031, 63647)]