13990887

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{3259}}^1$

素因数の和:3324

約数の個数: 20

約数和(自身を含む): 21300840

約数和(自身を除く): 7309953

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 3259, 4293, 9777, 29331, 87993, 172727, 263979, 518181, 1554543, 4663629, 13990887]

約数ペア:

[(1, 13990887), (3, 4663629), (9, 1554543), (27, 518181), (53, 263979), (81, 172727), (159, 87993), (477, 29331), (1431, 9777), (3259, 4293)]