207955845

素因数分解:

$3^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{7187}}^1$

素因数の和:7841

約数の個数: 24

約数和(自身を含む): 361067616

約数和(自身を除く): 153111771

約数列:

[1, 3, 5, 9, 15, 45, 643, 1929, 3215, 5787, 7187, 9645, 21561, 28935, 35935, 64683, 107805, 323415, 4621241, 13863723, 23106205, 41591169, 69318615, 207955845]

約数ペア:

[(1, 207955845), (3, 69318615), (5, 41591169), (9, 23106205), (15, 13863723), (45, 4621241), (643, 323415), (1929, 107805), (3215, 64683), (5787, 35935), (7187, 28935), (9645, 21561)]