27769455

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 55411200

約数和(自身を除く): 27641745

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 199, 315, 443, 597, 995, 1329, 1393, 1791, 2215, 2985, 3101, 3987, 4179, 6645, 6965, 8955, 9303, 12537, 15505, 19935, 20895, 27909, 46515, 62685, 88157, 139545, 264471, 440785, 617099, 793413, 1322355, 1851297, 3085495, 3967065, 5553891, 9256485, 27769455]

約数ペア:

[(1, 27769455), (3, 9256485), (5, 5553891), (7, 3967065), (9, 3085495), (15, 1851297), (21, 1322355), (35, 793413), (45, 617099), (63, 440785), (105, 264471), (199, 139545), (315, 88157), (443, 62685), (597, 46515), (995, 27909), (1329, 20895), (1393, 19935), (1791, 15505), (2215, 12537), (2985, 9303), (3101, 8955), (3987, 6965), (4179, 6645)]