1245492339

素因数分解:

$3^1\times 7^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 2138260992

約数和(自身を除く): 892768653

約数列:

[1, 3, 7, 13, 21, 39, 47, 49, 91, 141, 147, 273, 283, 329, 343, 611, 637, 849, 987, 1029, 1833, 1911, 1981, 2303, 2401, 3679, 4277, 4459, 5943, 6909, 7203, 11037, 12831, 13301, 13377, 13867, 16121, 25753, 29939, 31213, 39903, 41601, 48363, 77259, 89817, 93107, 93639, 97069, 112847, 172913, 180271, 209573, 279321, 291207, 338541, 518739, 540813, 628719, 651749, 679483, 1210391, 1261897, 1467011, 1955247, 2038449, 3631173, 3785691, 4401033, 4562243, 8472737, 8833279, 13686729, 25418211, 26499837, 31935701, 59309159, 95807103, 177927477, 415164113, 1245492339]

約数ペア:

[(1, 1245492339), (3, 415164113), (7, 177927477), (13, 95807103), (21, 59309159), (39, 31935701), (47, 26499837), (49, 25418211), (91, 13686729), (141, 8833279), (147, 8472737), (273, 4562243), (283, 4401033), (329, 3785691), (343, 3631173), (611, 2038449), (637, 1955247), (849, 1467011), (987, 1261897), (1029, 1210391), (1833, 679483), (1911, 651749), (1981, 628719), (2303, 540813), (2401, 518739), (3679, 338541), (4277, 291207), (4459, 279321), (5943, 209573), (6909, 180271), (7203, 172913), (11037, 112847), (12831, 97069), (13301, 93639), (13377, 93107), (13867, 89817), (16121, 77259), (25753, 48363), (29939, 41601), (31213, 39903)]