12457719

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 40

約数和(自身を含む): 20124720

約数和(自身を除く): 7667001

約数列:

[1, 3, 9, 17, 27, 51, 81, 83, 109, 153, 249, 327, 459, 747, 981, 1377, 1411, 1853, 2241, 2943, 4233, 5559, 6723, 8829, 9047, 12699, 16677, 27141, 38097, 50031, 81423, 114291, 150093, 153799, 244269, 461397, 732807, 1384191, 4152573, 12457719]

約数ペア:

[(1, 12457719), (3, 4152573), (9, 1384191), (17, 732807), (27, 461397), (51, 244269), (81, 153799), (83, 150093), (109, 114291), (153, 81423), (249, 50031), (327, 38097), (459, 27141), (747, 16677), (981, 12699), (1377, 9047), (1411, 8829), (1853, 6723), (2241, 5559), (2943, 4233)]