16255521

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{25439}}^1$

素因数の和:25516

約数の個数: 12

約数和(自身を含む): 23811840

約数和(自身を除く): 7556319

約数列:

[1, 3, 9, 71, 213, 639, 25439, 76317, 228951, 1806169, 5418507, 16255521]

約数ペア:

[(1, 16255521), (3, 5418507), (9, 1806169), (71, 228951), (213, 76317), (639, 25439)]