13681539

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{4211}}^1$

素因数の和:4255

約数の個数: 18

約数和(自身を含む): 20862036

約数和(自身を除く): 7180497

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 4211, 12633, 37899, 80009, 240027, 720081, 1520171, 4560513, 13681539]

約数ペア:

[(1, 13681539), (3, 4560513), (9, 1520171), (19, 720081), (57, 240027), (171, 80009), (361, 37899), (1083, 12633), (3249, 4211)]