28980231

素因数分解:

$3^1\times 7^1\times {\mathrm{757}}^1\times {\mathrm{1823}}^1$

素因数の和:2590

約数の個数: 16

約数和(自身を含む): 44242944

約数和(自身を除く): 15262713

約数列:

[1, 3, 7, 21, 757, 1823, 2271, 5299, 5469, 12761, 15897, 38283, 1380011, 4140033, 9660077, 28980231]

約数ペア:

[(1, 28980231), (3, 9660077), (7, 4140033), (21, 1380011), (757, 38283), (1823, 15897), (2271, 12761), (5299, 5469)]