56722239

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47387}}^1$

素因数の和:47419

約数の個数: 24

約数和(自身を含む): 98567040

約数和(自身を除く): 41844801

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 47387, 142161, 331709, 426483, 900353, 995127, 2701059, 2985381, 6302471, 8103177, 18907413, 56722239]

約数ペア:

[(1, 56722239), (3, 18907413), (7, 8103177), (9, 6302471), (19, 2985381), (21, 2701059), (57, 995127), (63, 900353), (133, 426483), (171, 331709), (399, 142161), (1197, 47387)]