8449389

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{281}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 13241592

約数和(自身を除く): 4792203

約数列:

[1, 3, 9, 13, 39, 117, 257, 281, 771, 843, 2313, 2529, 3341, 3653, 10023, 10959, 30069, 32877, 72217, 216651, 649953, 938821, 2816463, 8449389]

約数ペア:

[(1, 8449389), (3, 2816463), (9, 938821), (13, 649953), (39, 216651), (117, 72217), (257, 32877), (281, 30069), (771, 10959), (843, 10023), (2313, 3653), (2529, 3341)]