51135057

素因数分解:

$3^4\times {\mathrm{157}}^1\times {\mathrm{4021}}^1$

素因数の和:4190

約数の個数: 20

約数和(自身を含む): 76892596

約数和(自身を除く): 25757539

約数列:

[1, 3, 9, 27, 81, 157, 471, 1413, 4021, 4239, 12063, 12717, 36189, 108567, 325701, 631297, 1893891, 5681673, 17045019, 51135057]

約数ペア:

[(1, 51135057), (3, 17045019), (9, 5681673), (27, 1893891), (81, 631297), (157, 325701), (471, 108567), (1413, 36189), (4021, 12717), (4239, 12063)]