28692489

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10273}}^1$

素因数の和:10309

約数の個数: 24

約数和(自身を含む): 46849440

約数和(自身を除く): 18156951

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 10273, 30819, 71911, 195187, 215733, 503377, 585561, 1366309, 1510131, 4098927, 9564163, 28692489]

約数ペア:

[(1, 28692489), (3, 9564163), (7, 4098927), (19, 1510131), (21, 1366309), (49, 585561), (57, 503377), (133, 215733), (147, 195187), (399, 71911), (931, 30819), (2793, 10273)]