388660329

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{257}}^1\times {\mathrm{709}}^1$

素因数の和:1054

約数の個数: 32

約数和(自身を含む): 586176000

約数和(自身を除く): 197515671

約数列:

[1, 3, 9, 27, 79, 237, 257, 709, 711, 771, 2127, 2133, 2313, 6381, 6939, 19143, 20303, 56011, 60909, 168033, 182213, 182727, 504099, 546639, 548181, 1512297, 1639917, 4919751, 14394827, 43184481, 129553443, 388660329]

約数ペア:

[(1, 388660329), (3, 129553443), (9, 43184481), (27, 14394827), (79, 4919751), (237, 1639917), (257, 1512297), (709, 548181), (711, 546639), (771, 504099), (2127, 182727), (2133, 182213), (2313, 168033), (6381, 60909), (6939, 56011), (19143, 20303)]