13905891

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{27107}}^1$

素因数の和:27135

約数の個数: 16

約数和(自身を含む): 21686400

約数和(自身を除く): 7780509

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 27107, 81321, 243963, 515033, 731889, 1545099, 4635297, 13905891]

約数ペア:

[(1, 13905891), (3, 4635297), (9, 1545099), (19, 731889), (27, 515033), (57, 243963), (171, 81321), (513, 27107)]