138901905

素因数分解:

$3^3\times 5^1\times {\mathrm{1028903}}^1$

素因数の和:1028917

約数の個数: 16

約数和(自身を含む): 246936960

約数和(自身を除く): 108035055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1028903, 3086709, 5144515, 9260127, 15433545, 27780381, 46300635, 138901905]

約数ペア:

[(1, 138901905), (3, 46300635), (5, 27780381), (9, 15433545), (15, 9260127), (27, 5144515), (45, 3086709), (135, 1028903)]