27863919

素因数分解:

$3^4\times {\mathrm{419}}^1\times {\mathrm{821}}^1$

素因数の和:1252

約数の個数: 20

約数和(自身を含む): 41774040

約数和(自身を除く): 13910121

約数列:

[1, 3, 9, 27, 81, 419, 821, 1257, 2463, 3771, 7389, 11313, 22167, 33939, 66501, 343999, 1031997, 3095991, 9287973, 27863919]

約数ペア:

[(1, 27863919), (3, 9287973), (9, 3095991), (27, 1031997), (81, 343999), (419, 66501), (821, 33939), (1257, 22167), (2463, 11313), (3771, 7389)]