28159989

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1601}}^1$

素因数の和:1669

約数の個数: 32

約数和(自身を含む): 45214848

約数和(自身を除く): 17054859

約数列:

[1, 3, 11, 13, 33, 39, 41, 123, 143, 429, 451, 533, 1353, 1599, 1601, 4803, 5863, 17589, 17611, 20813, 52833, 62439, 65641, 196923, 228943, 686829, 722051, 853333, 2166153, 2559999, 9386663, 28159989]

約数ペア:

[(1, 28159989), (3, 9386663), (11, 2559999), (13, 2166153), (33, 853333), (39, 722051), (41, 686829), (123, 228943), (143, 196923), (429, 65641), (451, 62439), (533, 52833), (1353, 20813), (1599, 17611), (1601, 17589), (4803, 5863)]