13181193

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{4057}}^1$

素因数の和:4101

約数の個数: 18

約数和(自身を含む): 20099274

約数和(自身を除く): 6918081

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 4057, 12171, 36513, 77083, 231249, 693747, 1464577, 4393731, 13181193]

約数ペア:

[(1, 13181193), (3, 4393731), (9, 1464577), (19, 693747), (57, 231249), (171, 77083), (361, 36513), (1083, 12171), (3249, 4057)]