640272699

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{60443}}^1$

素因数の和:60567

約数の個数: 24

約数和(自身を含む): 1018360512

約数和(自身を除く): 378087813

約数列:

[1, 3, 9, 11, 33, 99, 107, 321, 963, 1177, 3531, 10593, 60443, 181329, 543987, 664873, 1994619, 5983857, 6467401, 19402203, 58206609, 71141411, 213424233, 640272699]

約数ペア:

[(1, 640272699), (3, 213424233), (9, 71141411), (11, 58206609), (33, 19402203), (99, 6467401), (107, 5983857), (321, 1994619), (963, 664873), (1177, 543987), (3531, 181329), (10593, 60443)]