71421323

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^2\times {\mathrm{107}}^1$

素因数の和:231

約数の個数: 18

約数和(自身を含む): 77893164

約数和(自身を除く): 6471841

約数列:

[1, 19, 43, 107, 361, 817, 1849, 2033, 4601, 15523, 35131, 38627, 87419, 197843, 667489, 1660961, 3759017, 71421323]

約数ペア:

[(1, 71421323), (19, 3759017), (43, 1660961), (107, 667489), (361, 197843), (817, 87419), (1849, 38627), (2033, 35131), (4601, 15523)]