291250449

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 539136000

約数和(自身を除く): 247885551

約数列:

[1, 3, 7, 9, 19, 21, 23, 57, 63, 69, 71, 133, 149, 161, 171, 207, 213, 399, 437, 447, 483, 497, 639, 1043, 1197, 1311, 1341, 1349, 1449, 1491, 1633, 2831, 3059, 3129, 3427, 3933, 4047, 4473, 4899, 8493, 9177, 9387, 9443, 10281, 10579, 11431, 12141, 14697, 19817, 23989, 25479, 27531, 28329, 30843, 31027, 31737, 34293, 59451, 65113, 71967, 74053, 84987, 93081, 95211, 102879, 178353, 195339, 201001, 215901, 217189, 222159, 243317, 279243, 455791, 586017, 603003, 651567, 666477, 729951, 1367373, 1407007, 1703219, 1809009, 1954701, 2189853, 4102119, 4221021, 4623023, 5109657, 12663063, 13869069, 15328971, 32361161, 41607207, 97083483, 291250449]

約数ペア:

[(1, 291250449), (3, 97083483), (7, 41607207), (9, 32361161), (19, 15328971), (21, 13869069), (23, 12663063), (57, 5109657), (63, 4623023), (69, 4221021), (71, 4102119), (133, 2189853), (149, 1954701), (161, 1809009), (171, 1703219), (207, 1407007), (213, 1367373), (399, 729951), (437, 666477), (447, 651567), (483, 603003), (497, 586017), (639, 455791), (1043, 279243), (1197, 243317), (1311, 222159), (1341, 217189), (1349, 215901), (1449, 201001), (1491, 195339), (1633, 178353), (2831, 102879), (3059, 95211), (3129, 93081), (3427, 84987), (3933, 74053), (4047, 71967), (4473, 65113), (4899, 59451), (8493, 34293), (9177, 31737), (9387, 31027), (9443, 30843), (10281, 28329), (10579, 27531), (11431, 25479), (12141, 23989), (14697, 19817)]