19683741

素因数分解:

$3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:119

約数の個数: 64

約数和(自身を含む): 35020800

約数和(自身を除く): 15337059

約数列:

[1, 3, 7, 11, 21, 33, 37, 47, 49, 77, 111, 141, 147, 231, 259, 329, 343, 407, 517, 539, 777, 987, 1029, 1221, 1551, 1617, 1739, 1813, 2303, 2849, 3619, 3773, 5217, 5439, 6909, 8547, 10857, 11319, 12173, 12691, 16121, 19129, 19943, 25333, 36519, 38073, 48363, 57387, 59829, 75999, 85211, 133903, 139601, 177331, 255633, 401709, 418803, 531993, 596477, 937321, 1789431, 2811963, 6561247, 19683741]

約数ペア:

[(1, 19683741), (3, 6561247), (7, 2811963), (11, 1789431), (21, 937321), (33, 596477), (37, 531993), (47, 418803), (49, 401709), (77, 255633), (111, 177331), (141, 139601), (147, 133903), (231, 85211), (259, 75999), (329, 59829), (343, 57387), (407, 48363), (517, 38073), (539, 36519), (777, 25333), (987, 19943), (1029, 19129), (1221, 16121), (1551, 12691), (1617, 12173), (1739, 11319), (1813, 10857), (2303, 8547), (2849, 6909), (3619, 5439), (3773, 5217)]