263072043

素因数分解:

$3^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 448179200

約数和(自身を除く): 185107157

約数列:

[1, 3, 9, 13, 19, 27, 39, 57, 81, 117, 171, 243, 247, 351, 487, 513, 729, 741, 1053, 1461, 1539, 2187, 2223, 3159, 4383, 4617, 6331, 6669, 9253, 9477, 13149, 13851, 18993, 20007, 27759, 28431, 39447, 41553, 56979, 60021, 83277, 118341, 120289, 170937, 180063, 249831, 355023, 360867, 512811, 540189, 749493, 1065069, 1082601, 1538433, 2248479, 3247803, 4615299, 6745437, 9743409, 13845897, 20236311, 29230227, 87690681, 263072043]

約数ペア:

[(1, 263072043), (3, 87690681), (9, 29230227), (13, 20236311), (19, 13845897), (27, 9743409), (39, 6745437), (57, 4615299), (81, 3247803), (117, 2248479), (171, 1538433), (243, 1082601), (247, 1065069), (351, 749493), (487, 540189), (513, 512811), (729, 360867), (741, 355023), (1053, 249831), (1461, 180063), (1539, 170937), (2187, 120289), (2223, 118341), (3159, 83277), (4383, 60021), (4617, 56979), (6331, 41553), (6669, 39447), (9253, 28431), (9477, 27759), (13149, 20007), (13851, 18993)]