28591269

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1187}}^1$

素因数の和:1265

約数の個数: 32

約数和(自身を含む): 46227456

約数和(自身を除く): 17636187

約数列:

[1, 3, 7, 21, 31, 37, 93, 111, 217, 259, 651, 777, 1147, 1187, 3441, 3561, 8029, 8309, 24087, 24927, 36797, 43919, 110391, 131757, 257579, 307433, 772737, 922299, 1361489, 4084467, 9530423, 28591269]

約数ペア:

[(1, 28591269), (3, 9530423), (7, 4084467), (21, 1361489), (31, 922299), (37, 772737), (93, 307433), (111, 257579), (217, 131757), (259, 110391), (651, 43919), (777, 36797), (1147, 24927), (1187, 24087), (3441, 8309), (3561, 8029)]