489271887

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{1393937}}^1$

素因数の和:1393959

約数の個数: 16

約数和(自身を含む): 780605280

約数和(自身を除く): 291333393

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 1393937, 4181811, 12545433, 18121181, 37636299, 54363543, 163090629, 489271887]

約数ペア:

[(1, 489271887), (3, 163090629), (9, 54363543), (13, 37636299), (27, 18121181), (39, 12545433), (117, 4181811), (351, 1393937)]