28083951

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1999}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 46592000

約数和(自身を除く): 18508049

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 1999, 2007, 4683, 5997, 13993, 14049, 17991, 41979, 125937, 445777, 1337331, 3120439, 4011993, 9361317, 28083951]

約数ペア:

[(1, 28083951), (3, 9361317), (7, 4011993), (9, 3120439), (21, 1337331), (63, 445777), (223, 125937), (669, 41979), (1561, 17991), (1999, 14049), (2007, 13993), (4683, 5997)]