28306971

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{40847}}^1$

素因数の和:40871

約数の個数: 24

約数和(自身を含む): 50978304

約数和(自身を除く): 22671333

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 40847, 122541, 285929, 367623, 449317, 857787, 1347951, 2573361, 3145219, 4043853, 9435657, 28306971]

約数ペア:

[(1, 28306971), (3, 9435657), (7, 4043853), (9, 3145219), (11, 2573361), (21, 1347951), (33, 857787), (63, 449317), (77, 367623), (99, 285929), (231, 122541), (693, 40847)]