201990318489

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{1493}}^1\times {\mathrm{135427}}^1$

素因数の和:136966

約数の個数: 32

約数和(自身を含む): 307540736640

約数和(自身を除く): 105550418151

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 1493, 4479, 13437, 40311, 55241, 135427, 165723, 406281, 497169, 1218843, 1491507, 3656529, 5010799, 15032397, 45097191, 135291573, 202192511, 606577533, 1819732599, 5459197797, 7481122907, 22443368721, 67330106163, 201990318489]

約数ペア:

[(1, 201990318489), (3, 67330106163), (9, 22443368721), (27, 7481122907), (37, 5459197797), (111, 1819732599), (333, 606577533), (999, 202192511), (1493, 135291573), (4479, 45097191), (13437, 15032397), (40311, 5010799), (55241, 3656529), (135427, 1491507), (165723, 1218843), (406281, 497169)]