10989513

素因数分解:

$3^4\times {\mathrm{211}}^1\times {\mathrm{643}}^1$

素因数の和:866

約数の個数: 20

約数和(自身を含む): 16519888

約数和(自身を除く): 5530375

約数列:

[1, 3, 9, 27, 81, 211, 633, 643, 1899, 1929, 5697, 5787, 17091, 17361, 52083, 135673, 407019, 1221057, 3663171, 10989513]

約数ペア:

[(1, 10989513), (3, 3663171), (9, 1221057), (27, 407019), (81, 135673), (211, 52083), (633, 17361), (643, 17091), (1899, 5787), (1929, 5697)]