209745

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 374400

約数和(自身を除く): 164655

約数列:

[1, 3, 5, 9, 15, 45, 59, 79, 177, 237, 295, 395, 531, 711, 885, 1185, 2655, 3555, 4661, 13983, 23305, 41949, 69915, 209745]

約数ペア:

[(1, 209745), (3, 69915), (5, 41949), (9, 23305), (15, 13983), (45, 4661), (59, 3555), (79, 2655), (177, 1185), (237, 885), (295, 711), (395, 531)]