28840635

素因数分解:

$3^2\times 5^1\times {\mathrm{409}}^1\times {\mathrm{1567}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 50144640

約数和(自身を除く): 21304005

約数列:

[1, 3, 5, 9, 15, 45, 409, 1227, 1567, 2045, 3681, 4701, 6135, 7835, 14103, 18405, 23505, 70515, 640903, 1922709, 3204515, 5768127, 9613545, 28840635]

約数ペア:

[(1, 28840635), (3, 9613545), (5, 5768127), (9, 3204515), (15, 1922709), (45, 640903), (409, 70515), (1227, 23505), (1567, 18405), (2045, 14103), (3681, 7835), (4701, 6135)]