55883961

素因数分解:

$3^2\times 7^3\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 96553600

約数和(自身を除く): 40669639

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 343, 387, 421, 441, 903, 1029, 1263, 2107, 2709, 2947, 3087, 3789, 6321, 8841, 14749, 18103, 18963, 20629, 26523, 44247, 54309, 61887, 126721, 132741, 144403, 162927, 185661, 380163, 433209, 887047, 1140489, 1299627, 2661141, 6209329, 7983423, 18627987, 55883961]

約数ペア:

[(1, 55883961), (3, 18627987), (7, 7983423), (9, 6209329), (21, 2661141), (43, 1299627), (49, 1140489), (63, 887047), (129, 433209), (147, 380163), (301, 185661), (343, 162927), (387, 144403), (421, 132741), (441, 126721), (903, 61887), (1029, 54309), (1263, 44247), (2107, 26523), (2709, 20629), (2947, 18963), (3087, 18103), (3789, 14749), (6321, 8841)]