1309203

素因数分解:

$3^4\times 7^1\times {\mathrm{2309}}^1$

素因数の和:2328

約数の個数: 20

約数和(自身を含む): 2236080

約数和(自身を除く): 926877

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2309, 6927, 16163, 20781, 48489, 62343, 145467, 187029, 436401, 1309203]

約数ペア:

[(1, 1309203), (3, 436401), (7, 187029), (9, 145467), (21, 62343), (27, 48489), (63, 20781), (81, 16163), (189, 6927), (567, 2309)]