251715039

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{239}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 362050560

約数和(自身を除く): 110335521

約数列:

[1, 3, 17, 51, 107, 193, 239, 321, 579, 717, 1819, 3281, 4063, 5457, 9843, 12189, 20651, 25573, 46127, 61953, 76719, 138381, 351067, 434741, 784159, 1053201, 1304223, 2352477, 4935589, 14806767, 83905013, 251715039]

約数ペア:

[(1, 251715039), (3, 83905013), (17, 14806767), (51, 4935589), (107, 2352477), (193, 1304223), (239, 1053201), (321, 784159), (579, 434741), (717, 351067), (1819, 138381), (3281, 76719), (4063, 61953), (5457, 46127), (9843, 25573), (12189, 20651)]