201901413

素因数分解:

$3^1\times 7^2\times {\mathrm{881}}^1\times {\mathrm{1559}}^1$

素因数の和:2457

約数の個数: 24

約数和(自身を含む): 313709760

約数和(自身を除く): 111808347

約数列:

[1, 3, 7, 21, 49, 147, 881, 1559, 2643, 4677, 6167, 10913, 18501, 32739, 43169, 76391, 129507, 229173, 1373479, 4120437, 9614353, 28843059, 67300471, 201901413]

約数ペア:

[(1, 201901413), (3, 67300471), (7, 28843059), (21, 9614353), (49, 4120437), (147, 1373479), (881, 229173), (1559, 129507), (2643, 76391), (4677, 43169), (6167, 32739), (10913, 18501)]