25781613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3163}}^1$

素因数の和:3209

約数の個数: 32

約数和(自身を含む): 42524160

約数和(自身を除く): 16742547

約数列:

[1, 3, 11, 13, 19, 33, 39, 57, 143, 209, 247, 429, 627, 741, 2717, 3163, 8151, 9489, 34793, 41119, 60097, 104379, 123357, 180291, 452309, 661067, 781261, 1356927, 1983201, 2343783, 8593871, 25781613]

約数ペア:

[(1, 25781613), (3, 8593871), (11, 2343783), (13, 1983201), (19, 1356927), (33, 781261), (39, 661067), (57, 452309), (143, 180291), (209, 123357), (247, 104379), (429, 60097), (627, 41119), (741, 34793), (2717, 9489), (3163, 8151)]