49991319

素因数分解:

$3^2\times 7^2\times {\mathrm{113359}}^1$

素因数の和:113379

約数の個数: 18

約数和(自身を含む): 83999760

約数和(自身を除く): 34008441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 113359, 340077, 793513, 1020231, 2380539, 5554591, 7141617, 16663773, 49991319]

約数ペア:

[(1, 49991319), (3, 16663773), (7, 7141617), (9, 5554591), (21, 2380539), (49, 1020231), (63, 793513), (147, 340077), (441, 113359)]