28240665

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{3559}}^1$

素因数の和:3613

約数の個数: 24

約数和(自身を含む): 47248320

約数和(自身を除く): 19007655

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2645, 3559, 7935, 10677, 17795, 53385, 81857, 245571, 409285, 1227855, 1882711, 5648133, 9413555, 28240665]

約数ペア:

[(1, 28240665), (3, 9413555), (5, 5648133), (15, 1882711), (23, 1227855), (69, 409285), (115, 245571), (345, 81857), (529, 53385), (1587, 17795), (2645, 10677), (3559, 7935)]