421785405

素因数分解:

$3^2\times 5^1\times {\mathrm{857}}^1\times {\mathrm{10937}}^1$

素因数の和:11805

約数の個数: 24

約数和(自身を含む): 732014712

約数和(自身を除く): 310229307

約数列:

[1, 3, 5, 9, 15, 45, 857, 2571, 4285, 7713, 10937, 12855, 32811, 38565, 54685, 98433, 164055, 492165, 9373009, 28119027, 46865045, 84357081, 140595135, 421785405]

約数ペア:

[(1, 421785405), (3, 140595135), (5, 84357081), (9, 46865045), (15, 28119027), (45, 9373009), (857, 492165), (2571, 164055), (4285, 98433), (7713, 54685), (10937, 38565), (12855, 32811)]