39897441

素因数分解:

$3^9\times {\mathrm{2027}}^1$

素因数の和:2054

約数の個数: 20

約数和(自身を含む): 59874672

約数和(自身を除く): 19977231

約数列:

[1, 3, 9, 27, 81, 243, 729, 2027, 2187, 6081, 6561, 18243, 19683, 54729, 164187, 492561, 1477683, 4433049, 13299147, 39897441]

約数ペア:

[(1, 39897441), (3, 13299147), (9, 4433049), (27, 1477683), (81, 492561), (243, 164187), (729, 54729), (2027, 19683), (2187, 18243), (6081, 6561)]