201913767

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47431}}^1$

素因数の和:47491

約数の個数: 24

約数和(自身を含む): 325573248

約数和(自身を除く): 123659481

約数列:

[1, 3, 9, 11, 33, 43, 99, 129, 387, 473, 1419, 4257, 47431, 142293, 426879, 521741, 1565223, 2039533, 4695669, 6118599, 18355797, 22434863, 67304589, 201913767]

約数ペア:

[(1, 201913767), (3, 67304589), (9, 22434863), (11, 18355797), (33, 6118599), (43, 4695669), (99, 2039533), (129, 1565223), (387, 521741), (473, 426879), (1419, 142293), (4257, 47431)]