3891723

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 24

約数和(自身を含む): 5822208

約数和(自身を除く): 1930485

約数列:

[1, 3, 11, 33, 71, 121, 151, 213, 363, 453, 781, 1661, 2343, 4983, 8591, 10721, 18271, 25773, 32163, 54813, 117931, 353793, 1297241, 3891723]

約数ペア:

[(1, 3891723), (3, 1297241), (11, 353793), (33, 117931), (71, 54813), (121, 32163), (151, 25773), (213, 18271), (363, 10721), (453, 8591), (781, 4983), (1661, 2343)]