205803423

素因数分解:

$3^4\times 7^1\times {\mathrm{362969}}^1$

素因数の和:362988

約数の個数: 20

約数和(自身を含む): 351354960

約数和(自身を除く): 145551537

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 362969, 1088907, 2540783, 3266721, 7622349, 9800163, 22867047, 29400489, 68601141, 205803423]

約数ペア:

[(1, 205803423), (3, 68601141), (7, 29400489), (9, 22867047), (21, 9800163), (27, 7622349), (63, 3266721), (81, 2540783), (189, 1088907), (567, 362969)]