28843569

素因数分解:

$3^2\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:449

約数の個数: 24

約数和(自身を含む): 42517800

約数和(自身を除く): 13674231

約数列:

[1, 3, 9, 137, 149, 157, 411, 447, 471, 1233, 1341, 1413, 20413, 21509, 23393, 61239, 64527, 70179, 183717, 193581, 210537, 3204841, 9614523, 28843569]

約数ペア:

[(1, 28843569), (3, 9614523), (9, 3204841), (137, 210537), (149, 193581), (157, 183717), (411, 70179), (447, 64527), (471, 61239), (1233, 23393), (1341, 21509), (1413, 20413)]