42842439

素因数分解:

$3^4\times {\mathrm{401}}^1\times {\mathrm{1319}}^1$

素因数の和:1732

約数の個数: 20

約数和(自身を含む): 64207440

約数和(自身を除く): 21365001

約数列:

[1, 3, 9, 27, 81, 401, 1203, 1319, 3609, 3957, 10827, 11871, 32481, 35613, 106839, 528919, 1586757, 4760271, 14280813, 42842439]

約数ペア:

[(1, 42842439), (3, 14280813), (9, 4760271), (27, 1586757), (81, 528919), (401, 106839), (1203, 35613), (1319, 32481), (3609, 11871), (3957, 10827)]