81472005

素因数分解:

$3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9479}}^1$

素因数の和:9681

約数の個数: 24

約数和(自身を含む): 141972480

約数和(自身を除く): 60500475

約数列:

[1, 3, 5, 9, 15, 45, 191, 573, 955, 1719, 2865, 8595, 9479, 28437, 47395, 85311, 142185, 426555, 1810489, 5431467, 9052445, 16294401, 27157335, 81472005]

約数ペア:

[(1, 81472005), (3, 27157335), (5, 16294401), (9, 9052445), (15, 5431467), (45, 1810489), (191, 426555), (573, 142185), (955, 85311), (1719, 47395), (2865, 28437), (8595, 9479)]