28333557

素因数分解:

$3^5\times 7^1\times {\mathrm{16657}}^1$

素因数の和:16679

約数の個数: 24

約数和(自身を含む): 48508096

約数和(自身を除く): 20174539

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 1701, 16657, 49971, 116599, 149913, 349797, 449739, 1049391, 1349217, 3148173, 4047651, 9444519, 28333557]

約数ペア:

[(1, 28333557), (3, 9444519), (7, 4047651), (9, 3148173), (21, 1349217), (27, 1049391), (63, 449739), (81, 349797), (189, 149913), (243, 116599), (567, 49971), (1701, 16657)]