15391593

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 64

約数和(自身を含む): 28016640

約数和(自身を除く): 12625047

約数列:

[1, 3, 7, 9, 21, 27, 31, 37, 63, 71, 93, 111, 189, 213, 217, 259, 279, 333, 497, 639, 651, 777, 837, 999, 1147, 1491, 1917, 1953, 2201, 2331, 2627, 3441, 4473, 5859, 6603, 6993, 7881, 8029, 10323, 13419, 15407, 18389, 19809, 23643, 24087, 30969, 46221, 55167, 59427, 70929, 72261, 81437, 138663, 165501, 216783, 244311, 415989, 496503, 570059, 732933, 1710177, 2198799, 5130531, 15391593]

約数ペア:

[(1, 15391593), (3, 5130531), (7, 2198799), (9, 1710177), (21, 732933), (27, 570059), (31, 496503), (37, 415989), (63, 244311), (71, 216783), (93, 165501), (111, 138663), (189, 81437), (213, 72261), (217, 70929), (259, 59427), (279, 55167), (333, 46221), (497, 30969), (639, 24087), (651, 23643), (777, 19809), (837, 18389), (999, 15407), (1147, 13419), (1491, 10323), (1917, 8029), (1953, 7881), (2201, 6993), (2331, 6603), (2627, 5859), (3441, 4473)]