1994800521

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{877}}^1\times {\mathrm{1217}}^1$

素因数の和:2193

約数の個数: 32

約数和(自身を含む): 3079883520

約数和(自身を除く): 1085082999

約数列:

[1, 3, 7, 21, 89, 267, 623, 877, 1217, 1869, 2631, 3651, 6139, 8519, 18417, 25557, 78053, 108313, 234159, 324939, 546371, 758191, 1067309, 1639113, 2274573, 3201927, 7471163, 22413489, 94990501, 284971503, 664933507, 1994800521]

約数ペア:

[(1, 1994800521), (3, 664933507), (7, 284971503), (21, 94990501), (89, 22413489), (267, 7471163), (623, 3201927), (877, 2274573), (1217, 1639113), (1869, 1067309), (2631, 758191), (3651, 546371), (6139, 324939), (8519, 234159), (18417, 108313), (25557, 78053)]