251569305

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4019}}^1$

素因数の和:4150

約数の個数: 48

約数和(自身を含む): 474102720

約数和(自身を除く): 222533415

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 107, 117, 195, 321, 535, 585, 963, 1391, 1605, 4019, 4173, 4815, 6955, 12057, 12519, 20095, 20865, 36171, 52247, 60285, 62595, 156741, 180855, 261235, 430033, 470223, 783705, 1290099, 2150165, 2351115, 3870297, 5590429, 6450495, 16771287, 19351485, 27952145, 50313861, 83856435, 251569305]

約数ペア:

[(1, 251569305), (3, 83856435), (5, 50313861), (9, 27952145), (13, 19351485), (15, 16771287), (39, 6450495), (45, 5590429), (65, 3870297), (107, 2351115), (117, 2150165), (195, 1290099), (321, 783705), (535, 470223), (585, 430033), (963, 261235), (1391, 180855), (1605, 156741), (4019, 62595), (4173, 60285), (4815, 52247), (6955, 36171), (12057, 20865), (12519, 20095)]