251159517

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 461260800

約数和(自身を除く): 210101283

約数列:

[1, 3, 7, 9, 21, 23, 29, 43, 63, 69, 87, 129, 139, 161, 203, 207, 261, 301, 387, 417, 483, 609, 667, 903, 973, 989, 1247, 1251, 1449, 1827, 2001, 2709, 2919, 2967, 3197, 3741, 4031, 4669, 5977, 6003, 6923, 8729, 8757, 8901, 9591, 11223, 12093, 14007, 17931, 20769, 22379, 26187, 28217, 28681, 28773, 36279, 41839, 42021, 53793, 62307, 67137, 78561, 84651, 86043, 92713, 125517, 137471, 173333, 200767, 201411, 253953, 258129, 278139, 376551, 412413, 519999, 602301, 648991, 834417, 962297, 1213331, 1237239, 1559997, 1806903, 1946973, 2886891, 3639993, 3986659, 5840919, 8660673, 10919979, 11959977, 27906613, 35879931, 83719839, 251159517]

約数ペア:

[(1, 251159517), (3, 83719839), (7, 35879931), (9, 27906613), (21, 11959977), (23, 10919979), (29, 8660673), (43, 5840919), (63, 3986659), (69, 3639993), (87, 2886891), (129, 1946973), (139, 1806903), (161, 1559997), (203, 1237239), (207, 1213331), (261, 962297), (301, 834417), (387, 648991), (417, 602301), (483, 519999), (609, 412413), (667, 376551), (903, 278139), (973, 258129), (989, 253953), (1247, 201411), (1251, 200767), (1449, 173333), (1827, 137471), (2001, 125517), (2709, 92713), (2919, 86043), (2967, 84651), (3197, 78561), (3741, 67137), (4031, 62307), (4669, 53793), (5977, 42021), (6003, 41839), (6923, 36279), (8729, 28773), (8757, 28681), (8901, 28217), (9591, 26187), (11223, 22379), (12093, 20769), (14007, 17931)]