17621989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1747}}^1$

素因数の和:1896

約数の個数: 16

約数和(自身を含む): 22150656

約数和(自身を除く): 4528667

約数列:

[1, 7, 11, 77, 131, 917, 1441, 1747, 10087, 12229, 19217, 134519, 228857, 1601999, 2517427, 17621989]

約数ペア:

[(1, 17621989), (7, 2517427), (11, 1601999), (77, 228857), (131, 134519), (917, 19217), (1441, 12229), (1747, 10087)]