254977281

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{726431}}^1$

素因数の和:726453

約数の個数: 16

約数和(自身を含む): 406801920

約数和(自身を除く): 151824639

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 726431, 2179293, 6537879, 9443603, 19613637, 28330809, 84992427, 254977281]

約数ペア:

[(1, 254977281), (3, 84992427), (9, 28330809), (13, 19613637), (27, 9443603), (39, 6537879), (117, 2179293), (351, 726431)]