28736043

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19273}}^1$

素因数の和:19354

約数の個数: 16

約数和(自身を含む): 44407296

約数和(自身を除く): 15671253

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 19273, 57819, 134911, 404733, 1368383, 4105149, 9578681, 28736043]

約数ペア:

[(1, 28736043), (3, 9578681), (7, 4105149), (21, 1368383), (71, 404733), (213, 134911), (497, 57819), (1491, 19273)]