19709798121

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{3889}}^1\times {\mathrm{4813}}^1$

素因数の和:8727

約数の個数: 40

約数和(自身を含む): 31722623240

約数和(自身を除く): 12012825119

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 3889, 4813, 11667, 14439, 35001, 43317, 50557, 62569, 105003, 129951, 151671, 187707, 315009, 389853, 455013, 563121, 1365039, 1689363, 4095117, 5068089, 18717757, 56153271, 168459813, 243330841, 505379439, 729992523, 1516138317, 2189977569, 6569932707, 19709798121]

約数ペア:

[(1, 19709798121), (3, 6569932707), (9, 2189977569), (13, 1516138317), (27, 729992523), (39, 505379439), (81, 243330841), (117, 168459813), (351, 56153271), (1053, 18717757), (3889, 5068089), (4813, 4095117), (11667, 1689363), (14439, 1365039), (35001, 563121), (43317, 455013), (50557, 389853), (62569, 315009), (105003, 187707), (129951, 151671)]