25452009

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2$

素因数の和:179

約数の個数: 48

約数和(自身を含む): 44176320

約数和(自身を除く): 18724311

約数列:

[1, 3, 9, 11, 17, 27, 33, 51, 71, 99, 153, 187, 213, 297, 459, 561, 639, 781, 1207, 1683, 1917, 2343, 3621, 5041, 5049, 7029, 10863, 13277, 15123, 21087, 32589, 39831, 45369, 55451, 85697, 119493, 136107, 166353, 257091, 358479, 499059, 771273, 942667, 1497177, 2313819, 2828001, 8484003, 25452009]

約数ペア:

[(1, 25452009), (3, 8484003), (9, 2828001), (11, 2313819), (17, 1497177), (27, 942667), (33, 771273), (51, 499059), (71, 358479), (99, 257091), (153, 166353), (187, 136107), (213, 119493), (297, 85697), (459, 55451), (561, 45369), (639, 39831), (781, 32589), (1207, 21087), (1683, 15123), (1917, 13277), (2343, 10863), (3621, 7029), (5041, 5049)]