201988047

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 287659008

約数和(自身を除く): 85670961

約数列:

[1, 3, 23, 69, 97, 103, 291, 293, 309, 879, 2231, 2369, 6693, 6739, 7107, 9991, 20217, 28421, 29973, 30179, 85263, 90537, 229793, 653683, 689379, 694117, 1961049, 2082351, 2927363, 8782089, 67329349, 201988047]

約数ペア:

[(1, 201988047), (3, 67329349), (23, 8782089), (69, 2927363), (97, 2082351), (103, 1961049), (291, 694117), (293, 689379), (309, 653683), (879, 229793), (2231, 90537), (2369, 85263), (6693, 30179), (6739, 29973), (7107, 28421), (9991, 20217)]