520064181

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1759}}^1$

素因数の和:1823

約数の個数: 72

約数和(自身を含む): 976335360

約数和(自身を除く): 456271179

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 171, 247, 273, 361, 399, 741, 819, 1083, 1197, 1729, 1759, 2223, 2527, 3249, 4693, 5187, 5277, 7581, 12313, 14079, 15561, 15831, 22743, 22867, 32851, 33421, 36939, 42237, 68601, 98553, 100263, 110817, 160069, 205803, 233947, 295659, 300789, 434473, 480207, 634999, 701841, 1303419, 1440621, 1904997, 2105523, 3041311, 3910257, 4444993, 5714991, 8254987, 9123933, 13334979, 24764961, 27371799, 40004937, 57784909, 74294883, 173354727, 520064181]

約数ペア:

[(1, 520064181), (3, 173354727), (7, 74294883), (9, 57784909), (13, 40004937), (19, 27371799), (21, 24764961), (39, 13334979), (57, 9123933), (63, 8254987), (91, 5714991), (117, 4444993), (133, 3910257), (171, 3041311), (247, 2105523), (273, 1904997), (361, 1440621), (399, 1303419), (741, 701841), (819, 634999), (1083, 480207), (1197, 434473), (1729, 300789), (1759, 295659), (2223, 233947), (2527, 205803), (3249, 160069), (4693, 110817), (5187, 100263), (5277, 98553), (7581, 68601), (12313, 42237), (14079, 36939), (15561, 33421), (15831, 32851), (22743, 22867)]