201487989

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{49787}}^1$

素因数の和:49880

約数の個数: 16

約数和(自身を含む): 286778880

約数和(自身を除く): 85290891

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 49787, 149361, 945953, 2837859, 3534877, 10604631, 67162663, 201487989]

約数ペア:

[(1, 201487989), (3, 67162663), (19, 10604631), (57, 3534877), (71, 2837859), (213, 945953), (1349, 149361), (4047, 49787)]