281909043

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 448593600

約数和(自身を除く): 166684557

約数列:

[1, 3, 9, 13, 39, 103, 117, 149, 157, 309, 447, 471, 927, 1339, 1341, 1413, 1937, 2041, 4017, 5811, 6123, 12051, 15347, 16171, 17433, 18369, 23393, 46041, 48513, 70179, 138123, 145539, 199511, 210223, 210537, 304109, 598533, 630669, 912327, 1795599, 1892007, 2409479, 2736981, 7228437, 21685311, 31323227, 93969681, 281909043]

約数ペア:

[(1, 281909043), (3, 93969681), (9, 31323227), (13, 21685311), (39, 7228437), (103, 2736981), (117, 2409479), (149, 1892007), (157, 1795599), (309, 912327), (447, 630669), (471, 598533), (927, 304109), (1339, 210537), (1341, 210223), (1413, 199511), (1937, 145539), (2041, 138123), (4017, 70179), (5811, 48513), (6123, 46041), (12051, 23393), (15347, 18369), (16171, 17433)]