219720909

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{1103}}^1\times {\mathrm{2887}}^1$

素因数の和:4016

約数の個数: 16

約数和(自身を含む): 306081792

約数和(自身を除く): 86360883

約数列:

[1, 3, 23, 69, 1103, 2887, 3309, 8661, 25369, 66401, 76107, 199203, 3184361, 9553083, 73240303, 219720909]

約数ペア:

[(1, 219720909), (3, 73240303), (23, 9553083), (69, 3184361), (1103, 199203), (2887, 76107), (3309, 66401), (8661, 25369)]