255588669

素因数分解:

$3^3\times 7^1\times {\mathrm{863}}^1\times {\mathrm{1567}}^1$

素因数の和:2446

約数の個数: 32

約数和(自身を含む): 433520640

約数和(自身を除く): 177931971

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 863, 1567, 2589, 4701, 6041, 7767, 10969, 14103, 18123, 23301, 32907, 42309, 54369, 98721, 163107, 296163, 1352321, 4056963, 9466247, 12170889, 28398741, 36512667, 85196223, 255588669]

約数ペア:

[(1, 255588669), (3, 85196223), (7, 36512667), (9, 28398741), (21, 12170889), (27, 9466247), (63, 4056963), (189, 1352321), (863, 296163), (1567, 163107), (2589, 98721), (4701, 54369), (6041, 42309), (7767, 32907), (10969, 23301), (14103, 18123)]