201078927

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:884

約数の個数: 48

約数和(自身を含む): 345446400

約数和(自身を除く): 144367473

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 149, 217, 279, 447, 651, 691, 1043, 1341, 1953, 2073, 3129, 4619, 4837, 6219, 9387, 13857, 14511, 21421, 32333, 41571, 43533, 64263, 96999, 102959, 149947, 192789, 290997, 308877, 449841, 720713, 926631, 1349523, 2162139, 3191729, 6486417, 9575187, 22342103, 28725561, 67026309, 201078927]

約数ペア:

[(1, 201078927), (3, 67026309), (7, 28725561), (9, 22342103), (21, 9575187), (31, 6486417), (63, 3191729), (93, 2162139), (149, 1349523), (217, 926631), (279, 720713), (447, 449841), (651, 308877), (691, 290997), (1043, 192789), (1341, 149947), (1953, 102959), (2073, 96999), (3129, 64263), (4619, 43533), (4837, 41571), (6219, 32333), (9387, 21421), (13857, 14511)]