26991489

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:150

約数の個数: 64

約数和(自身を含む): 46448640

約数和(自身を除く): 19457151

約数列:

[1, 3, 7, 21, 23, 29, 41, 47, 69, 87, 123, 141, 161, 203, 287, 329, 483, 609, 667, 861, 943, 987, 1081, 1189, 1363, 1927, 2001, 2829, 3243, 3567, 4089, 4669, 5781, 6601, 7567, 8323, 9541, 13489, 14007, 19803, 22701, 24969, 27347, 28623, 31349, 40467, 44321, 55883, 82041, 94047, 132963, 167649, 191429, 219443, 310247, 391181, 574287, 658329, 930741, 1173543, 1285309, 3855927, 8997163, 26991489]

約数ペア:

[(1, 26991489), (3, 8997163), (7, 3855927), (21, 1285309), (23, 1173543), (29, 930741), (41, 658329), (47, 574287), (69, 391181), (87, 310247), (123, 219443), (141, 191429), (161, 167649), (203, 132963), (287, 94047), (329, 82041), (483, 55883), (609, 44321), (667, 40467), (861, 31349), (943, 28623), (987, 27347), (1081, 24969), (1189, 22701), (1363, 19803), (1927, 14007), (2001, 13489), (2829, 9541), (3243, 8323), (3567, 7567), (4089, 6601), (4669, 5781)]