27960019

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1746

約数の個数: 16

約数和(自身を含む): 31629312

約数和(自身を除く): 3669293

約数列:

[1, 17, 23, 43, 391, 731, 989, 1663, 16813, 28271, 38249, 71509, 650233, 1215653, 1644707, 27960019]

約数ペア:

[(1, 27960019), (17, 1644707), (23, 1215653), (43, 650233), (391, 71509), (731, 38249), (989, 28271), (1663, 16813)]