16928667

素因数分解:

$3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1669}}^1$

素因数の和:1712

約数の個数: 36

約数和(自身を含む): 29699280

約数和(自身を除く): 12770613

約数列:

[1, 3, 7, 9, 21, 23, 49, 63, 69, 147, 161, 207, 441, 483, 1127, 1449, 1669, 3381, 5007, 10143, 11683, 15021, 35049, 38387, 81781, 105147, 115161, 245343, 268709, 345483, 736029, 806127, 1880963, 2418381, 5642889, 16928667]

約数ペア:

[(1, 16928667), (3, 5642889), (7, 2418381), (9, 1880963), (21, 806127), (23, 736029), (49, 345483), (63, 268709), (69, 245343), (147, 115161), (161, 105147), (207, 81781), (441, 38387), (483, 35049), (1127, 15021), (1449, 11683), (1669, 10143), (3381, 5007)]