1253216421

素因数分解:

$3^3\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:248

約数の個数: 96

約数和(自身を含む): 2121984000

約数和(自身を除く): 868767579

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 79, 107, 153, 171, 237, 289, 321, 323, 459, 513, 711, 867, 963, 969, 1343, 1501, 1819, 2033, 2133, 2601, 2889, 2907, 4029, 4503, 5457, 5491, 6099, 7803, 8453, 8721, 12087, 13509, 16371, 16473, 18297, 22831, 25359, 25517, 30923, 34561, 36261, 40527, 49113, 49419, 54891, 68493, 76077, 76551, 92769, 103683, 143701, 148257, 160607, 205479, 228231, 229653, 278307, 311049, 431103, 433789, 481821, 587537, 616437, 688959, 834921, 933147, 1293309, 1301367, 1445463, 1762611, 2442917, 2730319, 3879927, 3904101, 4336389, 5287833, 7328751, 8190957, 11712303, 15863499, 21986253, 24572871, 46415423, 65958759, 73718613, 139246269, 417738807, 1253216421]

約数ペア:

[(1, 1253216421), (3, 417738807), (9, 139246269), (17, 73718613), (19, 65958759), (27, 46415423), (51, 24572871), (57, 21986253), (79, 15863499), (107, 11712303), (153, 8190957), (171, 7328751), (237, 5287833), (289, 4336389), (321, 3904101), (323, 3879927), (459, 2730319), (513, 2442917), (711, 1762611), (867, 1445463), (963, 1301367), (969, 1293309), (1343, 933147), (1501, 834921), (1819, 688959), (2033, 616437), (2133, 587537), (2601, 481821), (2889, 433789), (2907, 431103), (4029, 311049), (4503, 278307), (5457, 229653), (5491, 228231), (6099, 205479), (7803, 160607), (8453, 148257), (8721, 143701), (12087, 103683), (13509, 92769), (16371, 76551), (16473, 76077), (18297, 68493), (22831, 54891), (25359, 49419), (25517, 49113), (30923, 40527), (34561, 36261)]