20280159

素因数分解:

$3^3\times {\mathrm{691}}^1\times {\mathrm{1087}}^1$

素因数の和:1787

約数の個数: 16

約数和(自身を含む): 30115840

約数和(自身を除く): 9835681

約数列:

[1, 3, 9, 27, 691, 1087, 2073, 3261, 6219, 9783, 18657, 29349, 751117, 2253351, 6760053, 20280159]

約数ペア:

[(1, 20280159), (3, 6760053), (9, 2253351), (27, 751117), (691, 29349), (1087, 18657), (2073, 9783), (3261, 6219)]