25990335

素因数分解:

$3^3\times 5^1\times 7^2\times {\mathrm{3929}}^1$

素因数の和:3957

約数の個数: 48

約数和(自身を含む): 53762400

約数和(自身を除く): 27772065

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 49, 63, 105, 135, 147, 189, 245, 315, 441, 735, 945, 1323, 2205, 3929, 6615, 11787, 19645, 27503, 35361, 58935, 82509, 106083, 137515, 176805, 192521, 247527, 412545, 530415, 577563, 742581, 962605, 1237635, 1732689, 2887815, 3712905, 5198067, 8663445, 25990335]

約数ペア:

[(1, 25990335), (3, 8663445), (5, 5198067), (7, 3712905), (9, 2887815), (15, 1732689), (21, 1237635), (27, 962605), (35, 742581), (45, 577563), (49, 530415), (63, 412545), (105, 247527), (135, 192521), (147, 176805), (189, 137515), (245, 106083), (315, 82509), (441, 58935), (735, 35361), (945, 27503), (1323, 19645), (2205, 11787), (3929, 6615)]