255656439

素因数分解:

$3^3\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{859}}^1$

素因数の和:1092

約数の個数: 32

約数和(自身を含む): 386931200

約数和(自身を除く): 131274761

約数列:

[1, 3, 9, 27, 73, 151, 219, 453, 657, 859, 1359, 1971, 2577, 4077, 7731, 11023, 23193, 33069, 62707, 99207, 129709, 188121, 297621, 389127, 564363, 1167381, 1693089, 3502143, 9468757, 28406271, 85218813, 255656439]

約数ペア:

[(1, 255656439), (3, 85218813), (9, 28406271), (27, 9468757), (73, 3502143), (151, 1693089), (219, 1167381), (453, 564363), (657, 389127), (859, 297621), (1359, 188121), (1971, 129709), (2577, 99207), (4077, 62707), (7731, 33069), (11023, 23193)]