20081331

素因数分解:

$3^3\times {\mathrm{577}}^1\times {\mathrm{1289}}^1$

素因数の和:1875

約数の個数: 16

約数和(自身を含む): 29824800

約数和(自身を除く): 9743469

約数列:

[1, 3, 9, 27, 577, 1289, 1731, 3867, 5193, 11601, 15579, 34803, 743753, 2231259, 6693777, 20081331]

約数ペア:

[(1, 20081331), (3, 6693777), (9, 2231259), (27, 743753), (577, 34803), (1289, 15579), (1731, 11601), (3867, 5193)]