17995779

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1217}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 27361152

約数和(自身を除く): 9365373

約数列:

[1, 3, 9, 31, 53, 93, 159, 279, 477, 1217, 1643, 3651, 4929, 10953, 14787, 37727, 64501, 113181, 193503, 339543, 580509, 1999531, 5998593, 17995779]

約数ペア:

[(1, 17995779), (3, 5998593), (9, 1999531), (31, 580509), (53, 339543), (93, 193503), (159, 113181), (279, 64501), (477, 37727), (1217, 14787), (1643, 10953), (3651, 4929)]