199204509

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{7607}}^1$

素因数の和:7689

約数の個数: 32

約数和(自身を含む): 321361920

約数和(自身を除く): 122157411

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1247, 3741, 7607, 8729, 22821, 26187, 53249, 159747, 220603, 327101, 661809, 981303, 1544221, 2289707, 4632663, 6869121, 9485929, 28457787, 66401503, 199204509]

約数ペア:

[(1, 199204509), (3, 66401503), (7, 28457787), (21, 9485929), (29, 6869121), (43, 4632663), (87, 2289707), (129, 1544221), (203, 981303), (301, 661809), (609, 327101), (903, 220603), (1247, 159747), (3741, 53249), (7607, 26187), (8729, 22821)]