291208749

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1307}}^1$

素因数の和:1549

約数の個数: 32

約数和(自身を含む): 435093120

約数和(自身を除く): 143884371

約数列:

[1, 3, 13, 29, 39, 87, 197, 377, 591, 1131, 1307, 2561, 3921, 5713, 7683, 16991, 17139, 37903, 50973, 74269, 113709, 222807, 257479, 492739, 772437, 1478217, 3347227, 7466891, 10041681, 22400673, 97069583, 291208749]

約数ペア:

[(1, 291208749), (3, 97069583), (13, 22400673), (29, 10041681), (39, 7466891), (87, 3347227), (197, 1478217), (377, 772437), (591, 492739), (1131, 257479), (1307, 222807), (2561, 113709), (3921, 74269), (5713, 50973), (7683, 37903), (16991, 17139)]