5407857

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 10321920

約数和(自身を除く): 4914063

約数列:

[1, 3, 7, 9, 13, 21, 27, 31, 39, 63, 71, 91, 93, 117, 189, 213, 217, 273, 279, 351, 403, 497, 639, 651, 819, 837, 923, 1209, 1491, 1917, 1953, 2201, 2457, 2769, 2821, 3627, 4473, 5859, 6461, 6603, 8307, 8463, 10881, 13419, 15407, 19383, 19809, 24921, 25389, 28613, 46221, 58149, 59427, 76167, 85839, 138663, 174447, 200291, 257517, 415989, 600873, 772551, 1802619, 5407857]

約数ペア:

[(1, 5407857), (3, 1802619), (7, 772551), (9, 600873), (13, 415989), (21, 257517), (27, 200291), (31, 174447), (39, 138663), (63, 85839), (71, 76167), (91, 59427), (93, 58149), (117, 46221), (189, 28613), (213, 25389), (217, 24921), (273, 19809), (279, 19383), (351, 15407), (403, 13419), (497, 10881), (639, 8463), (651, 8307), (819, 6603), (837, 6461), (923, 5859), (1209, 4473), (1491, 3627), (1917, 2821), (1953, 2769), (2201, 2457)]