205654509

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{2341}}^1$

素因数の和:2617

約数の個数: 24

約数和(自身を含む): 305434272

約数和(自身を除く): 99779763

約数列:

[1, 3, 9, 43, 129, 227, 387, 681, 2043, 2341, 7023, 9761, 21069, 29283, 87849, 100663, 301989, 531407, 905967, 1594221, 4782663, 22850501, 68551503, 205654509]

約数ペア:

[(1, 205654509), (3, 68551503), (9, 22850501), (43, 4782663), (129, 1594221), (227, 905967), (387, 531407), (681, 301989), (2043, 100663), (2341, 87849), (7023, 29283), (9761, 21069)]