51666909

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{129491}}^1$

素因数の和:129520

約数の個数: 16

約数和(自身を含む): 82874880

約数和(自身を除く): 31207971

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 129491, 388473, 906437, 2460329, 2719311, 7380987, 17222303, 51666909]

約数ペア:

[(1, 51666909), (3, 17222303), (7, 7380987), (19, 2719311), (21, 2460329), (57, 906437), (133, 388473), (399, 129491)]