17428203

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{613}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 28194880

約数和(自身を除く): 10766677

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 613, 729, 1053, 1839, 2187, 3159, 5517, 7969, 9477, 16551, 23907, 28431, 49653, 71721, 148959, 215163, 446877, 645489, 1340631, 1936467, 5809401, 17428203]

約数ペア:

[(1, 17428203), (3, 5809401), (9, 1936467), (13, 1340631), (27, 645489), (39, 446877), (81, 215163), (117, 148959), (243, 71721), (351, 49653), (613, 28431), (729, 23907), (1053, 16551), (1839, 9477), (2187, 7969), (3159, 5517)]