209214777

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{4327}}^1$

素因数の和:4628

約数の個数: 16

約数和(自身を含む): 284193792

約数和(自身を除く): 74979015

約数列:

[1, 3, 71, 213, 227, 681, 4327, 12981, 16117, 48351, 307217, 921651, 982229, 2946687, 69738259, 209214777]

約数ペア:

[(1, 209214777), (3, 69738259), (71, 2946687), (213, 982229), (227, 921651), (681, 307217), (4327, 48351), (12981, 16117)]