243129258

素因数分解:

$2^1\times 3^2\times {\mathrm{157}}^1\times {\mathrm{227}}^1\times {\mathrm{379}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 533875680

約数和(自身を除く): 290746422

約数列:

[1, 2, 3, 6, 9, 18, 157, 227, 314, 379, 454, 471, 681, 758, 942, 1137, 1362, 1413, 2043, 2274, 2826, 3411, 4086, 6822, 35639, 59503, 71278, 86033, 106917, 119006, 172066, 178509, 213834, 258099, 320751, 357018, 516198, 535527, 641502, 774297, 1071054, 1548594, 13507181, 27014362, 40521543, 81043086, 121564629, 243129258]

約数ペア:

[(1, 243129258), (2, 121564629), (3, 81043086), (6, 40521543), (9, 27014362), (18, 13507181), (157, 1548594), (227, 1071054), (314, 774297), (379, 641502), (454, 535527), (471, 516198), (681, 357018), (758, 320751), (942, 258099), (1137, 213834), (1362, 178509), (1413, 172066), (2043, 119006), (2274, 106917), (2826, 86033), (3411, 71278), (4086, 59503), (6822, 35639)]