28545543

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12841}}^1$

素因数の和:12879

約数の個数: 24

約数和(自身を含む): 46744880

約数和(自身を除く): 18199337

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12841, 38523, 115569, 166933, 243979, 500799, 731937, 1502397, 2195811, 3171727, 9515181, 28545543]

約数ペア:

[(1, 28545543), (3, 9515181), (9, 3171727), (13, 2195811), (19, 1502397), (39, 731937), (57, 500799), (117, 243979), (171, 166933), (247, 115569), (741, 38523), (2223, 12841)]