198528057

素因数分解:

$3^3\times 7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 395136000

約数和(自身を除く): 196607943

約数列:

[1, 3, 7, 9, 13, 17, 21, 27, 39, 49, 51, 63, 91, 97, 117, 119, 147, 153, 189, 221, 273, 291, 343, 351, 357, 441, 459, 637, 663, 679, 819, 833, 873, 1029, 1071, 1261, 1323, 1547, 1649, 1911, 1989, 2037, 2457, 2499, 2619, 3087, 3213, 3783, 4459, 4641, 4753, 4947, 5733, 5831, 5967, 6111, 7497, 8827, 9261, 10829, 11349, 11543, 13377, 13923, 14259, 14841, 17199, 17493, 18333, 21437, 22491, 26481, 32487, 33271, 34047, 34629, 40131, 41769, 42777, 44523, 52479, 61789, 64311, 75803, 79443, 80801, 97461, 99813, 103887, 120393, 128331, 150059, 157437, 185367, 192933, 227409, 238329, 242403, 292383, 299439, 311661, 432523, 450177, 556101, 565607, 578799, 682227, 727209, 898317, 1050413, 1297569, 1350531, 1668303, 1696821, 2046681, 2181627, 3151239, 3892707, 4051593, 5090463, 7352891, 9453717, 11678121, 15271389, 22058673, 28361151, 66176019, 198528057]

約数ペア:

[(1, 198528057), (3, 66176019), (7, 28361151), (9, 22058673), (13, 15271389), (17, 11678121), (21, 9453717), (27, 7352891), (39, 5090463), (49, 4051593), (51, 3892707), (63, 3151239), (91, 2181627), (97, 2046681), (117, 1696821), (119, 1668303), (147, 1350531), (153, 1297569), (189, 1050413), (221, 898317), (273, 727209), (291, 682227), (343, 578799), (351, 565607), (357, 556101), (441, 450177), (459, 432523), (637, 311661), (663, 299439), (679, 292383), (819, 242403), (833, 238329), (873, 227409), (1029, 192933), (1071, 185367), (1261, 157437), (1323, 150059), (1547, 128331), (1649, 120393), (1911, 103887), (1989, 99813), (2037, 97461), (2457, 80801), (2499, 79443), (2619, 75803), (3087, 64311), (3213, 61789), (3783, 52479), (4459, 44523), (4641, 42777), (4753, 41769), (4947, 40131), (5733, 34629), (5831, 34047), (5967, 33271), (6111, 32487), (7497, 26481), (8827, 22491), (9261, 21437), (10829, 18333), (11349, 17493), (11543, 17199), (13377, 14841), (13923, 14259)]