664989831

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{5009}}^1$

素因数の和:5181

約数の個数: 40

約数和(自身を含む): 1091178000

約数和(自身を除く): 426188169

約数列:

[1, 3, 9, 11, 27, 33, 81, 99, 149, 297, 447, 891, 1341, 1639, 4023, 4917, 5009, 12069, 14751, 15027, 44253, 45081, 55099, 132759, 135243, 165297, 405729, 495891, 746341, 1487673, 2239023, 4463019, 6717069, 8209751, 20151207, 24629253, 60453621, 73887759, 221663277, 664989831]

約数ペア:

[(1, 664989831), (3, 221663277), (9, 73887759), (11, 60453621), (27, 24629253), (33, 20151207), (81, 8209751), (99, 6717069), (149, 4463019), (297, 2239023), (447, 1487673), (891, 746341), (1341, 495891), (1639, 405729), (4023, 165297), (4917, 135243), (5009, 132759), (12069, 55099), (14751, 45081), (15027, 44253)]