16556211

素因数分解:

$3^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{349}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 28224000

約数和(自身を除く): 11667789

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 251, 349, 753, 1047, 1757, 2259, 2443, 3141, 5271, 6777, 7329, 9423, 15813, 21987, 47439, 65961, 87599, 262797, 613193, 788391, 1839579, 2365173, 5518737, 16556211]

約数ペア:

[(1, 16556211), (3, 5518737), (7, 2365173), (9, 1839579), (21, 788391), (27, 613193), (63, 262797), (189, 87599), (251, 65961), (349, 47439), (753, 21987), (1047, 15813), (1757, 9423), (2259, 7329), (2443, 6777), (3141, 5271)]