197818881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{6977}}^1$

素因数の和:7720

約数の個数: 16

約数和(自身を含む): 284479104

約数和(自身を除く): 86660223

約数列:

[1, 3, 13, 39, 727, 2181, 6977, 9451, 20931, 28353, 90701, 272103, 5072279, 15216837, 65939627, 197818881]

約数ペア:

[(1, 197818881), (3, 65939627), (13, 15216837), (39, 5072279), (727, 272103), (2181, 90701), (6977, 28353), (9451, 20931)]