28539585

素因数分解:

$3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{3187}}^1$

素因数の和:3397

約数の個数: 24

約数和(自身を含む): 49732800

約数和(自身を除く): 21193215

約数列:

[1, 3, 5, 9, 15, 45, 199, 597, 995, 1791, 2985, 3187, 8955, 9561, 15935, 28683, 47805, 143415, 634213, 1902639, 3171065, 5707917, 9513195, 28539585]

約数ペア:

[(1, 28539585), (3, 9513195), (5, 5707917), (9, 3171065), (15, 1902639), (45, 634213), (199, 143415), (597, 47805), (995, 28683), (1791, 15935), (2985, 9561), (3187, 8955)]