27572589

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 48660480

約数和(自身を除く): 21087891

約数列:

[1, 3, 9, 11, 17, 27, 33, 43, 51, 99, 127, 129, 153, 187, 297, 381, 387, 459, 473, 561, 731, 1143, 1161, 1397, 1419, 1683, 2159, 2193, 3429, 4191, 4257, 5049, 5461, 6477, 6579, 8041, 12573, 12771, 16383, 19431, 19737, 23749, 24123, 37719, 49149, 58293, 60071, 71247, 72369, 92837, 147447, 180213, 213741, 217107, 278511, 540639, 641223, 835533, 1021207, 1621917, 2506599, 3063621, 9190863, 27572589]

約数ペア:

[(1, 27572589), (3, 9190863), (9, 3063621), (11, 2506599), (17, 1621917), (27, 1021207), (33, 835533), (43, 641223), (51, 540639), (99, 278511), (127, 217107), (129, 213741), (153, 180213), (187, 147447), (297, 92837), (381, 72369), (387, 71247), (459, 60071), (473, 58293), (561, 49149), (731, 37719), (1143, 24123), (1161, 23749), (1397, 19737), (1419, 19431), (1683, 16383), (2159, 12771), (2193, 12573), (3429, 8041), (4191, 6579), (4257, 6477), (5049, 5461)]