205992405

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:722

約数の個数: 48

約数和(自身を含む): 367960320

約数和(自身を除く): 161967915

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 311, 359, 369, 615, 933, 1077, 1555, 1795, 1845, 2799, 3231, 4665, 5385, 12751, 13995, 14719, 16155, 38253, 44157, 63755, 73595, 111649, 114759, 132471, 191265, 220785, 334947, 558245, 573795, 662355, 1004841, 1674735, 4577609, 5024205, 13732827, 22888045, 41198481, 68664135, 205992405]

約数ペア:

[(1, 205992405), (3, 68664135), (5, 41198481), (9, 22888045), (15, 13732827), (41, 5024205), (45, 4577609), (123, 1674735), (205, 1004841), (311, 662355), (359, 573795), (369, 558245), (615, 334947), (933, 220785), (1077, 191265), (1555, 132471), (1795, 114759), (1845, 111649), (2799, 73595), (3231, 63755), (4665, 44157), (5385, 38253), (12751, 16155), (13995, 14719)]