289436247

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{27277}}^1$

素因数の和:27420

約数の個数: 20

約数和(自身を含む): 435684216

約数和(自身を除く): 146247969

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 3537, 10611, 27277, 81831, 245493, 736479, 2209437, 3573287, 10719861, 32159583, 96478749, 289436247]

約数ペア:

[(1, 289436247), (3, 96478749), (9, 32159583), (27, 10719861), (81, 3573287), (131, 2209437), (393, 736479), (1179, 245493), (3537, 81831), (10611, 27277)]