2018085561

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{23581}}^1$

素因数の和:23881

約数の個数: 24

約数和(自身を含む): 3005573064

約数和(自身を除く): 987487503

約数列:

[1, 3, 9, 37, 111, 257, 333, 771, 2313, 9509, 23581, 28527, 70743, 85581, 212229, 872497, 2617491, 6060317, 7852473, 18180951, 54542853, 224231729, 672695187, 2018085561]

約数ペア:

[(1, 2018085561), (3, 672695187), (9, 224231729), (37, 54542853), (111, 18180951), (257, 7852473), (333, 6060317), (771, 2617491), (2313, 872497), (9509, 212229), (23581, 85581), (28527, 70743)]