28386369

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{31859}}^1$

素因数の和:31882

約数の個数: 20

約数和(自身を含む): 46260720

約数和(自身を除く): 17874351

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 297, 891, 31859, 95577, 286731, 350449, 860193, 1051347, 2580579, 3154041, 9462123, 28386369]

約数ペア:

[(1, 28386369), (3, 9462123), (9, 3154041), (11, 2580579), (27, 1051347), (33, 860193), (81, 350449), (99, 286731), (297, 95577), (891, 31859)]