28200459

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9661}}^1$

素因数の和:9810

約数の個数: 16

約数和(自身を含む): 43285760

約数和(自身を除く): 15085301

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 9661, 28983, 67627, 202881, 1342879, 4028637, 9400153, 28200459]

約数ペア:

[(1, 28200459), (3, 9400153), (7, 4028637), (21, 1342879), (139, 202881), (417, 67627), (973, 28983), (2919, 9661)]