18157185

素因数分解:

$3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5683}}^1$

素因数の和:5765

約数の個数: 24

約数和(自身を含む): 31921344

約数和(自身を除く): 13764159

約数列:

[1, 3, 5, 9, 15, 45, 71, 213, 355, 639, 1065, 3195, 5683, 17049, 28415, 51147, 85245, 255735, 403493, 1210479, 2017465, 3631437, 6052395, 18157185]

約数ペア:

[(1, 18157185), (3, 6052395), (5, 3631437), (9, 2017465), (15, 1210479), (45, 403493), (71, 255735), (213, 85245), (355, 51147), (639, 28415), (1065, 17049), (3195, 5683)]