17644521

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 8966679

約数列:

[1, 3, 17, 19, 51, 57, 131, 139, 323, 393, 417, 969, 2227, 2363, 2489, 2641, 6681, 7089, 7467, 7923, 18209, 42313, 44897, 54627, 126939, 134691, 309553, 345971, 928659, 1037913, 5881507, 17644521]

約数ペア:

[(1, 17644521), (3, 5881507), (17, 1037913), (19, 928659), (51, 345971), (57, 309553), (131, 134691), (139, 126939), (323, 54627), (393, 44897), (417, 42313), (969, 18209), (2227, 7923), (2363, 7467), (2489, 7089), (2641, 6681)]