51281505

素因数分解:

$3^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1279}}^1$

素因数の和:1313

約数の個数: 56

約数和(自身を含む): 100730880

約数和(自身を除く): 49449375

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 135, 165, 243, 297, 405, 495, 729, 891, 1215, 1279, 1485, 2673, 3645, 3837, 4455, 6395, 8019, 11511, 13365, 14069, 19185, 34533, 40095, 42207, 57555, 70345, 103599, 126621, 172665, 211035, 310797, 379863, 517995, 633105, 932391, 1139589, 1553985, 1899315, 3418767, 4661955, 5697945, 10256301, 17093835, 51281505]

約数ペア:

[(1, 51281505), (3, 17093835), (5, 10256301), (9, 5697945), (11, 4661955), (15, 3418767), (27, 1899315), (33, 1553985), (45, 1139589), (55, 932391), (81, 633105), (99, 517995), (135, 379863), (165, 310797), (243, 211035), (297, 172665), (405, 126621), (495, 103599), (729, 70345), (891, 57555), (1215, 42207), (1279, 40095), (1485, 34533), (2673, 19185), (3645, 14069), (3837, 13365), (4455, 11511), (6395, 8019)]