1666225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:177

約数の個数: 24

約数和(自身を含む): 2312352

約数和(自身を除く): 646127

約数列:

[1, 5, 11, 25, 55, 73, 83, 275, 365, 415, 803, 913, 1825, 2075, 4015, 4565, 6059, 20075, 22825, 30295, 66649, 151475, 333245, 1666225]

約数ペア:

[(1, 1666225), (5, 333245), (11, 151475), (25, 66649), (55, 30295), (73, 22825), (83, 20075), (275, 6059), (365, 4565), (415, 4015), (803, 2075), (913, 1825)]