204920271

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:364

約数の個数: 48

約数和(自身を含む): 319168512

約数和(自身を除く): 114248241

約数列:

[1, 3, 9, 23, 69, 71, 73, 191, 207, 213, 219, 573, 639, 657, 1633, 1679, 1719, 4393, 4899, 5037, 5183, 13179, 13561, 13943, 14697, 15111, 15549, 39537, 40683, 41829, 46647, 119209, 122049, 125487, 311903, 320689, 357627, 935709, 962067, 989953, 1072881, 2807127, 2886201, 2969859, 8909577, 22768919, 68306757, 204920271]

約数ペア:

[(1, 204920271), (3, 68306757), (9, 22768919), (23, 8909577), (69, 2969859), (71, 2886201), (73, 2807127), (191, 1072881), (207, 989953), (213, 962067), (219, 935709), (573, 357627), (639, 320689), (657, 311903), (1633, 125487), (1679, 122049), (1719, 119209), (4393, 46647), (4899, 41829), (5037, 40683), (5183, 39537), (13179, 15549), (13561, 15111), (13943, 14697)]