208601973

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2731}}^1$

素因数の和:2807

約数の個数: 40

約数和(自身を含む): 333216576

約数和(自身を除く): 124614603

約数列:

[1, 3, 9, 23, 27, 41, 69, 81, 123, 207, 369, 621, 943, 1107, 1863, 2731, 2829, 3321, 8193, 8487, 24579, 25461, 62813, 73737, 76383, 111971, 188439, 221211, 335913, 565317, 1007739, 1695951, 2575333, 3023217, 5087853, 7725999, 9069651, 23177997, 69533991, 208601973]

約数ペア:

[(1, 208601973), (3, 69533991), (9, 23177997), (23, 9069651), (27, 7725999), (41, 5087853), (69, 3023217), (81, 2575333), (123, 1695951), (207, 1007739), (369, 565317), (621, 335913), (943, 221211), (1107, 188439), (1863, 111971), (2731, 76383), (2829, 73737), (3321, 62813), (8193, 25461), (8487, 24579)]