18209121

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 29073408

約数和(自身を除く): 10864287

約数列:

[1, 3, 7, 21, 31, 83, 93, 217, 249, 337, 581, 651, 1011, 1743, 2359, 2573, 7077, 7719, 10447, 18011, 27971, 31341, 54033, 73129, 83913, 195797, 219387, 587391, 867101, 2601303, 6069707, 18209121]

約数ペア:

[(1, 18209121), (3, 6069707), (7, 2601303), (21, 867101), (31, 587391), (83, 219387), (93, 195797), (217, 83913), (249, 73129), (337, 54033), (581, 31341), (651, 27971), (1011, 18011), (1743, 10447), (2359, 7719), (2573, 7077)]