1291775667

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{19157}}^1$

素因数の和:19212

約数の個数: 48

約数和(自身を含む): 2243784960

約数和(自身を除く): 952009293

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 247, 273, 399, 507, 741, 1183, 1729, 3211, 3549, 5187, 9633, 19157, 22477, 57471, 67431, 134099, 249041, 363983, 402297, 747123, 1091949, 1743287, 2547881, 3237533, 4731779, 5229861, 7643643, 9712599, 14195337, 22662731, 33122453, 61513127, 67988193, 99367359, 184539381, 430591889, 1291775667]

約数ペア:

[(1, 1291775667), (3, 430591889), (7, 184539381), (13, 99367359), (19, 67988193), (21, 61513127), (39, 33122453), (57, 22662731), (91, 14195337), (133, 9712599), (169, 7643643), (247, 5229861), (273, 4731779), (399, 3237533), (507, 2547881), (741, 1743287), (1183, 1091949), (1729, 747123), (3211, 402297), (3549, 363983), (5187, 249041), (9633, 134099), (19157, 67431), (22477, 57471)]