197801163

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9781}}^1$

素因数の和:9904

約数の個数: 32

約数和(自身を含む): 338065920

約数和(自身を除く): 140264757

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 749, 963, 2247, 2889, 6741, 9781, 20223, 29343, 68467, 88029, 205401, 264087, 616203, 1046567, 1848609, 3139701, 7325969, 9419103, 21977907, 28257309, 65933721, 197801163]

約数ペア:

[(1, 197801163), (3, 65933721), (7, 28257309), (9, 21977907), (21, 9419103), (27, 7325969), (63, 3139701), (107, 1848609), (189, 1046567), (321, 616203), (749, 264087), (963, 205401), (2247, 88029), (2889, 68467), (6741, 29343), (9781, 20223)]