289415049

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:171

約数の個数: 128

約数和(自身を含む): 548536320

約数和(自身を除く): 259121271

約数列:

[1, 3, 7, 11, 19, 21, 23, 33, 47, 57, 61, 69, 77, 133, 141, 161, 183, 209, 231, 253, 329, 399, 427, 437, 483, 517, 627, 671, 759, 893, 987, 1081, 1159, 1281, 1311, 1403, 1463, 1551, 1771, 2013, 2679, 2867, 3059, 3243, 3477, 3619, 4209, 4389, 4697, 4807, 5313, 6251, 7567, 8113, 8601, 9177, 9821, 9823, 10857, 11891, 12749, 14091, 14421, 15433, 18753, 20069, 20539, 22701, 24339, 26657, 29463, 29469, 31537, 33649, 35673, 38247, 46299, 54473, 60207, 61617, 65941, 68761, 79971, 83237, 89243, 94611, 100947, 108031, 143773, 163419, 186599, 197823, 206283, 220759, 225929, 249711, 267729, 293227, 324093, 381311, 431319, 461587, 559797, 599203, 662277, 677787, 725351, 879681, 1143933, 1252879, 1384761, 1581503, 1797609, 2052589, 2176053, 3758637, 4194421, 4744509, 5077457, 6157767, 8770153, 12583263, 13781669, 15232371, 26310459, 41345007, 96471683, 289415049]

約数ペア:

[(1, 289415049), (3, 96471683), (7, 41345007), (11, 26310459), (19, 15232371), (21, 13781669), (23, 12583263), (33, 8770153), (47, 6157767), (57, 5077457), (61, 4744509), (69, 4194421), (77, 3758637), (133, 2176053), (141, 2052589), (161, 1797609), (183, 1581503), (209, 1384761), (231, 1252879), (253, 1143933), (329, 879681), (399, 725351), (427, 677787), (437, 662277), (483, 599203), (517, 559797), (627, 461587), (671, 431319), (759, 381311), (893, 324093), (987, 293227), (1081, 267729), (1159, 249711), (1281, 225929), (1311, 220759), (1403, 206283), (1463, 197823), (1551, 186599), (1771, 163419), (2013, 143773), (2679, 108031), (2867, 100947), (3059, 94611), (3243, 89243), (3477, 83237), (3619, 79971), (4209, 68761), (4389, 65941), (4697, 61617), (4807, 60207), (5313, 54473), (6251, 46299), (7567, 38247), (8113, 35673), (8601, 33649), (9177, 31537), (9821, 29469), (9823, 29463), (10857, 26657), (11891, 24339), (12749, 22701), (14091, 20539), (14421, 20069), (15433, 18753)]