28352247

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{883}}^1$

素因数の和:1043

約数の個数: 32

約数和(自身を含む): 47523840

約数和(自身を除く): 19171593

約数列:

[1, 3, 7, 11, 21, 33, 77, 139, 231, 417, 883, 973, 1529, 2649, 2919, 4587, 6181, 9713, 10703, 18543, 29139, 32109, 67991, 122737, 203973, 368211, 859159, 1350107, 2577477, 4050321, 9450749, 28352247]

約数ペア:

[(1, 28352247), (3, 9450749), (7, 4050321), (11, 2577477), (21, 1350107), (33, 859159), (77, 368211), (139, 203973), (231, 122737), (417, 67991), (883, 32109), (973, 29139), (1529, 18543), (2649, 10703), (2919, 9713), (4587, 6181)]