13857993

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{7229}}^1$

素因数の和:7309

約数の個数: 16

約数和(自身を含む): 20822400

約数和(自身を除く): 6964407

約数列:

[1, 3, 9, 27, 71, 213, 639, 1917, 7229, 21687, 65061, 195183, 513259, 1539777, 4619331, 13857993]

約数ペア:

[(1, 13857993), (3, 4619331), (9, 1539777), (27, 513259), (71, 195183), (213, 65061), (639, 21687), (1917, 7229)]