20139485499

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{230479}}^1$

素因数の和:230584

約数の個数: 48

約数和(自身を含む): 35475481600

約数和(自身を除く): 15335996101

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 73, 133, 171, 219, 399, 511, 657, 1197, 1387, 1533, 4161, 4599, 9709, 12483, 29127, 87381, 230479, 691437, 1613353, 2074311, 4379101, 4840059, 13137303, 14520177, 16824967, 30653707, 39411909, 50474901, 91961121, 117774769, 151424703, 275883363, 319674373, 353324307, 959023119, 1059972921, 2237720611, 2877069357, 6713161833, 20139485499]

約数ペア:

[(1, 20139485499), (3, 6713161833), (7, 2877069357), (9, 2237720611), (19, 1059972921), (21, 959023119), (57, 353324307), (63, 319674373), (73, 275883363), (133, 151424703), (171, 117774769), (219, 91961121), (399, 50474901), (511, 39411909), (657, 30653707), (1197, 16824967), (1387, 14520177), (1533, 13137303), (4161, 4840059), (4599, 4379101), (9709, 2074311), (12483, 1613353), (29127, 691437), (87381, 230479)]