30871269

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 56320992

約数和(自身を除く): 25449723

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 83, 99, 117, 143, 153, 187, 221, 249, 289, 429, 561, 663, 747, 867, 913, 1079, 1287, 1411, 1683, 1989, 2431, 2601, 2739, 3179, 3237, 3757, 4233, 7293, 8217, 9537, 9711, 11271, 11869, 12699, 15521, 18343, 21879, 23987, 28611, 33813, 35607, 41327, 46563, 55029, 71961, 106821, 123981, 139689, 165087, 201773, 215883, 263857, 311831, 371943, 605319, 791571, 935493, 1815957, 2374713, 2806479, 3430141, 10290423, 30871269]

約数ペア:

[(1, 30871269), (3, 10290423), (9, 3430141), (11, 2806479), (13, 2374713), (17, 1815957), (33, 935493), (39, 791571), (51, 605319), (83, 371943), (99, 311831), (117, 263857), (143, 215883), (153, 201773), (187, 165087), (221, 139689), (249, 123981), (289, 106821), (429, 71961), (561, 55029), (663, 46563), (747, 41327), (867, 35607), (913, 33813), (1079, 28611), (1287, 23987), (1411, 21879), (1683, 18343), (1989, 15521), (2431, 12699), (2601, 11869), (2739, 11271), (3179, 9711), (3237, 9537), (3757, 8217), (4233, 7293)]