25050123

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1321}}^1$

素因数の和:1384

約数の個数: 36

約数和(自身を含む): 43102488

約数和(自身を除く): 18052365

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 1321, 2107, 2709, 3963, 6321, 9247, 11889, 18963, 27741, 56803, 64729, 83223, 170409, 194187, 397621, 511227, 582561, 1192863, 2783347, 3578589, 8350041, 25050123]

約数ペア:

[(1, 25050123), (3, 8350041), (7, 3578589), (9, 2783347), (21, 1192863), (43, 582561), (49, 511227), (63, 397621), (129, 194187), (147, 170409), (301, 83223), (387, 64729), (441, 56803), (903, 27741), (1321, 18963), (2107, 11889), (2709, 9247), (3963, 6321)]