81270973

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{1787}}^1$

素因数の和:1956

約数の個数: 16

約数和(自身を含む): 95264640

約数和(自身を除く): 13993667

約数列:

[1, 7, 73, 89, 511, 623, 1787, 6497, 12509, 45479, 130451, 159043, 913157, 1113301, 11610139, 81270973]

約数ペア:

[(1, 81270973), (7, 11610139), (73, 1113301), (89, 913157), (511, 159043), (623, 130451), (1787, 45479), (6497, 12509)]