1921569507

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13451}}^1$

素因数の和:13521

約数の個数: 64

約数和(自身を含む): 3435102720

約数和(自身を除く): 1513533213

約数列:

[1, 3, 9, 11, 13, 27, 33, 37, 39, 99, 111, 117, 143, 297, 333, 351, 407, 429, 481, 999, 1221, 1287, 1443, 3663, 3861, 4329, 5291, 10989, 12987, 13451, 15873, 40353, 47619, 121059, 142857, 147961, 174863, 363177, 443883, 497687, 524589, 1331649, 1493061, 1573767, 1923493, 3994947, 4479183, 4721301, 5474557, 5770479, 6469931, 13437549, 16423671, 17311437, 19409793, 49271013, 51934311, 58229379, 71169241, 147813039, 174688137, 213507723, 640523169, 1921569507]

約数ペア:

[(1, 1921569507), (3, 640523169), (9, 213507723), (11, 174688137), (13, 147813039), (27, 71169241), (33, 58229379), (37, 51934311), (39, 49271013), (99, 19409793), (111, 17311437), (117, 16423671), (143, 13437549), (297, 6469931), (333, 5770479), (351, 5474557), (407, 4721301), (429, 4479183), (481, 3994947), (999, 1923493), (1221, 1573767), (1287, 1493061), (1443, 1331649), (3663, 524589), (3861, 497687), (4329, 443883), (5291, 363177), (10989, 174863), (12987, 147961), (13451, 142857), (15873, 121059), (40353, 47619)]