306899523

素因数分解:

$3^7\times 7^1\times {\mathrm{20047}}^1$

素因数の和:20075

約数の個数: 32

約数和(自身を含む): 526059520

約数和(自身を除く): 219159997

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 1701, 2187, 5103, 15309, 20047, 60141, 140329, 180423, 420987, 541269, 1262961, 1623807, 3788883, 4871421, 11366649, 14614263, 34099947, 43842789, 102299841, 306899523]

約数ペア:

[(1, 306899523), (3, 102299841), (7, 43842789), (9, 34099947), (21, 14614263), (27, 11366649), (63, 4871421), (81, 3788883), (189, 1623807), (243, 1262961), (567, 541269), (729, 420987), (1701, 180423), (2187, 140329), (5103, 60141), (15309, 20047)]