138839883

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{107}}^1$

素因数の和:241

約数の個数: 64

約数和(自身を含む): 237081600

約数和(自身を除く): 98241717

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 97, 107, 147, 273, 291, 321, 343, 637, 679, 749, 1029, 1261, 1391, 1911, 2037, 2247, 3783, 4173, 4459, 4753, 5243, 8827, 9737, 10379, 13377, 14259, 15729, 26481, 29211, 31137, 33271, 36701, 61789, 68159, 72653, 99813, 110103, 134927, 185367, 204477, 217959, 404781, 432523, 477113, 508571, 944489, 1297569, 1431339, 1525713, 2833467, 3559997, 6611423, 10679991, 19834269, 46279961, 138839883]

約数ペア:

[(1, 138839883), (3, 46279961), (7, 19834269), (13, 10679991), (21, 6611423), (39, 3559997), (49, 2833467), (91, 1525713), (97, 1431339), (107, 1297569), (147, 944489), (273, 508571), (291, 477113), (321, 432523), (343, 404781), (637, 217959), (679, 204477), (749, 185367), (1029, 134927), (1261, 110103), (1391, 99813), (1911, 72653), (2037, 68159), (2247, 61789), (3783, 36701), (4173, 33271), (4459, 31137), (4753, 29211), (5243, 26481), (8827, 15729), (9737, 14259), (10379, 13377)]