289746891

素因数分解:

$3^2\times 7^1\times {\mathrm{2011}}^1\times {\mathrm{2287}}^1$

素因数の和:4311

約数の個数: 24

約数和(自身を含む): 478759424

約数和(自身を除く): 189012533

約数列:

[1, 3, 7, 9, 21, 63, 2011, 2287, 6033, 6861, 14077, 16009, 18099, 20583, 42231, 48027, 126693, 144081, 4599157, 13797471, 32194099, 41392413, 96582297, 289746891]

約数ペア:

[(1, 289746891), (3, 96582297), (7, 41392413), (9, 32194099), (21, 13797471), (63, 4599157), (2011, 144081), (2287, 126693), (6033, 48027), (6861, 42231), (14077, 20583), (16009, 18099)]