1298273589

素因数分解:

$3^4\times {\mathrm{601}}^1\times {\mathrm{26669}}^1$

素因数の和:27282

約数の個数: 20

約数和(自身を含む): 1942696140

約数和(自身を除く): 644422551

約数列:

[1, 3, 9, 27, 81, 601, 1803, 5409, 16227, 26669, 48681, 80007, 240021, 720063, 2160189, 16028069, 48084207, 144252621, 432757863, 1298273589]

約数ペア:

[(1, 1298273589), (3, 432757863), (9, 144252621), (27, 48084207), (81, 16028069), (601, 2160189), (1803, 720063), (5409, 240021), (16227, 80007), (26669, 48681)]