7178139

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{3853}}^1$

素因数の和:3888

約数の個数: 20

約数和(自身を含む): 11192016

約数和(自身を除く): 4013877

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 3853, 11559, 34677, 88619, 104031, 265857, 312093, 797571, 2392713, 7178139]

約数ペア:

[(1, 7178139), (3, 2392713), (9, 797571), (23, 312093), (27, 265857), (69, 104031), (81, 88619), (207, 34677), (621, 11559), (1863, 3853)]