25530813

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1$

素因数の和:327

約数の個数: 72

約数和(自身を含む): 49439520

約数和(自身を除く): 23908707

約数列:

[1, 3, 7, 9, 11, 19, 21, 33, 49, 57, 63, 77, 99, 133, 147, 171, 209, 231, 277, 399, 441, 539, 627, 693, 831, 931, 1197, 1463, 1617, 1881, 1939, 2493, 2793, 3047, 4389, 4851, 5263, 5817, 8379, 9141, 10241, 13167, 13573, 15789, 17451, 21329, 27423, 30723, 36841, 40719, 47367, 57893, 63987, 92169, 110523, 122157, 149303, 173679, 191961, 257887, 331569, 405251, 447909, 521037, 773661, 1215753, 1343727, 2320983, 2836757, 3647259, 8510271, 25530813]

約数ペア:

[(1, 25530813), (3, 8510271), (7, 3647259), (9, 2836757), (11, 2320983), (19, 1343727), (21, 1215753), (33, 773661), (49, 521037), (57, 447909), (63, 405251), (77, 331569), (99, 257887), (133, 191961), (147, 173679), (171, 149303), (209, 122157), (231, 110523), (277, 92169), (399, 63987), (441, 57893), (539, 47367), (627, 40719), (693, 36841), (831, 30723), (931, 27423), (1197, 21329), (1463, 17451), (1617, 15789), (1881, 13573), (1939, 13167), (2493, 10241), (2793, 9141), (3047, 8379), (4389, 5817), (4851, 5263)]