2161864485

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3821}}^1$

素因数の和:3976

約数の個数: 80

約数和(自身を含む): 4262049792

約数和(自身を除く): 2100185307

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 127, 135, 165, 297, 381, 405, 495, 635, 891, 1143, 1397, 1485, 1905, 3429, 3821, 4191, 4455, 5715, 6985, 10287, 11463, 12573, 17145, 19105, 20955, 34389, 37719, 42031, 51435, 57315, 62865, 103167, 113157, 126093, 171945, 188595, 210155, 309501, 378279, 485267, 515835, 565785, 630465, 1134837, 1455801, 1547505, 1891395, 2426335, 3404511, 4367403, 5337937, 5674185, 7279005, 13102209, 16013811, 17022555, 21837015, 26689685, 39306627, 48041433, 65511045, 80069055, 144124299, 196533135, 240207165, 432372897, 720621495, 2161864485]

約数ペア:

[(1, 2161864485), (3, 720621495), (5, 432372897), (9, 240207165), (11, 196533135), (15, 144124299), (27, 80069055), (33, 65511045), (45, 48041433), (55, 39306627), (81, 26689685), (99, 21837015), (127, 17022555), (135, 16013811), (165, 13102209), (297, 7279005), (381, 5674185), (405, 5337937), (495, 4367403), (635, 3404511), (891, 2426335), (1143, 1891395), (1397, 1547505), (1485, 1455801), (1905, 1134837), (3429, 630465), (3821, 565785), (4191, 515835), (4455, 485267), (5715, 378279), (6985, 309501), (10287, 210155), (11463, 188595), (12573, 171945), (17145, 126093), (19105, 113157), (20955, 103167), (34389, 62865), (37719, 57315), (42031, 51435)]