25912467

素因数分解:

$3^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2029

約数の個数: 40

約数和(自身を含む): 46185216

約数和(自身を除く): 20272749

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 81, 161, 189, 207, 483, 567, 621, 1449, 1863, 1987, 4347, 5961, 13041, 13909, 17883, 41727, 45701, 53649, 125181, 137103, 160947, 319907, 375543, 411309, 959721, 1126629, 1233927, 2879163, 3701781, 8637489, 25912467]

約数ペア:

[(1, 25912467), (3, 8637489), (7, 3701781), (9, 2879163), (21, 1233927), (23, 1126629), (27, 959721), (63, 411309), (69, 375543), (81, 319907), (161, 160947), (189, 137103), (207, 125181), (483, 53649), (567, 45701), (621, 41727), (1449, 17883), (1863, 13909), (1987, 13041), (4347, 5961)]