31939479

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1$

素因数の和:149

約数の個数: 72

約数和(自身を含む): 57552768

約数和(自身を除く): 25613289

約数列:

[1, 3, 9, 11, 13, 23, 33, 39, 69, 83, 99, 117, 143, 169, 207, 249, 253, 299, 429, 507, 747, 759, 897, 913, 1079, 1287, 1521, 1859, 1909, 2277, 2691, 2739, 3237, 3289, 3887, 5577, 5727, 8217, 9711, 9867, 11661, 11869, 14027, 16731, 17181, 20999, 24817, 29601, 34983, 35607, 42081, 42757, 62997, 74451, 106821, 126243, 128271, 154297, 188991, 223353, 272987, 322621, 384813, 462891, 818961, 967863, 1388673, 2456883, 2903589, 3548831, 10646493, 31939479]

約数ペア:

[(1, 31939479), (3, 10646493), (9, 3548831), (11, 2903589), (13, 2456883), (23, 1388673), (33, 967863), (39, 818961), (69, 462891), (83, 384813), (99, 322621), (117, 272987), (143, 223353), (169, 188991), (207, 154297), (249, 128271), (253, 126243), (299, 106821), (429, 74451), (507, 62997), (747, 42757), (759, 42081), (897, 35607), (913, 34983), (1079, 29601), (1287, 24817), (1521, 20999), (1859, 17181), (1909, 16731), (2277, 14027), (2691, 11869), (2739, 11661), (3237, 9867), (3289, 9711), (3887, 8217), (5577, 5727)]