66964815

素因数分解:

$3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{17929}}^1$

素因数の和:18023

約数の個数: 24

約数和(自身を含む): 117477360

約数和(自身を除く): 50512545

約数列:

[1, 3, 5, 9, 15, 45, 83, 249, 415, 747, 1245, 3735, 17929, 53787, 89645, 161361, 268935, 806805, 1488107, 4464321, 7440535, 13392963, 22321605, 66964815]

約数ペア:

[(1, 66964815), (3, 22321605), (5, 13392963), (9, 7440535), (15, 4464321), (45, 1488107), (83, 806805), (249, 268935), (415, 161361), (747, 89645), (1245, 53787), (3735, 17929)]