16424667

素因数分解:

$3^3\times 7^1\times {\mathrm{43}}^2\times {\mathrm{47}}^1$

素因数の和:149

約数の個数: 48

約数和(自身を含む): 29076480

約数和(自身を除く): 12651813

約数列:

[1, 3, 7, 9, 21, 27, 43, 47, 63, 129, 141, 189, 301, 329, 387, 423, 903, 987, 1161, 1269, 1849, 2021, 2709, 2961, 5547, 6063, 8127, 8883, 12943, 14147, 16641, 18189, 38829, 42441, 49923, 54567, 86903, 116487, 127323, 260709, 349461, 381969, 608321, 782127, 1824963, 2346381, 5474889, 16424667]

約数ペア:

[(1, 16424667), (3, 5474889), (7, 2346381), (9, 1824963), (21, 782127), (27, 608321), (43, 381969), (47, 349461), (63, 260709), (129, 127323), (141, 116487), (189, 86903), (301, 54567), (329, 49923), (387, 42441), (423, 38829), (903, 18189), (987, 16641), (1161, 14147), (1269, 12943), (1849, 8883), (2021, 8127), (2709, 6063), (2961, 5547)]