51209361

素因数分解:

$3^3\times 7^2\times {\mathrm{38707}}^1$

素因数の和:38730

約数の個数: 24

約数和(自身を含む): 88254240

約数和(自身を除く): 37044879

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 441, 1323, 38707, 116121, 270949, 348363, 812847, 1045089, 1896643, 2438541, 5689929, 7315623, 17069787, 51209361]

約数ペア:

[(1, 51209361), (3, 17069787), (7, 7315623), (9, 5689929), (21, 2438541), (27, 1896643), (49, 1045089), (63, 812847), (147, 348363), (189, 270949), (441, 116121), (1323, 38707)]