188404209

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1471}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 330670080

約数和(自身を除く): 142265871

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 107, 133, 171, 321, 399, 749, 963, 1197, 1471, 2033, 2247, 4413, 6099, 6741, 10297, 13239, 14231, 18297, 27949, 30891, 42693, 83847, 92673, 128079, 157397, 195643, 251541, 472191, 586929, 1101779, 1416573, 1760787, 2990543, 3305337, 8971629, 9916011, 20933801, 26914887, 62801403, 188404209]

約数ペア:

[(1, 188404209), (3, 62801403), (7, 26914887), (9, 20933801), (19, 9916011), (21, 8971629), (57, 3305337), (63, 2990543), (107, 1760787), (133, 1416573), (171, 1101779), (321, 586929), (399, 472191), (749, 251541), (963, 195643), (1197, 157397), (1471, 128079), (2033, 92673), (2247, 83847), (4413, 42693), (6099, 30891), (6741, 27949), (10297, 18297), (13239, 14231)]