156900555

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{2503}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 312499200

約数和(自身を除く): 155598645

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 199, 315, 597, 995, 1393, 1791, 2503, 2985, 4179, 6965, 7509, 8955, 12515, 12537, 17521, 20895, 22527, 37545, 52563, 62685, 87605, 112635, 157689, 262815, 498097, 788445, 1494291, 2490485, 3486679, 4482873, 7471455, 10460037, 17433395, 22414365, 31380111, 52300185, 156900555]

約数ペア:

[(1, 156900555), (3, 52300185), (5, 31380111), (7, 22414365), (9, 17433395), (15, 10460037), (21, 7471455), (35, 4482873), (45, 3486679), (63, 2490485), (105, 1494291), (199, 788445), (315, 498097), (597, 262815), (995, 157689), (1393, 112635), (1791, 87605), (2503, 62685), (2985, 52563), (4179, 37545), (6965, 22527), (7509, 20895), (8955, 17521), (12515, 12537)]