28376181

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{163}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 44567328

約数和(自身を除く): 16191147

約数列:

[1, 3, 9, 23, 29, 69, 87, 163, 207, 261, 489, 667, 841, 1467, 2001, 2523, 3749, 4727, 6003, 7569, 11247, 14181, 19343, 33741, 42543, 58029, 108721, 137083, 174087, 326163, 411249, 978489, 1233747, 3152909, 9458727, 28376181]

約数ペア:

[(1, 28376181), (3, 9458727), (9, 3152909), (23, 1233747), (29, 978489), (69, 411249), (87, 326163), (163, 174087), (207, 137083), (261, 108721), (489, 58029), (667, 42543), (841, 33741), (1467, 19343), (2001, 14181), (2523, 11247), (3749, 7569), (4727, 6003)]