201820545

素因数分解:

$3^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{20479}}^1$

素因数の和:20566

約数の個数: 32

約数和(自身を含む): 363724800

約数和(自身を除く): 161904255

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 135, 219, 365, 657, 1095, 1971, 3285, 9855, 20479, 61437, 102395, 184311, 307185, 552933, 921555, 1494967, 2764665, 4484901, 7474835, 13454703, 22424505, 40364109, 67273515, 201820545]

約数ペア:

[(1, 201820545), (3, 67273515), (5, 40364109), (9, 22424505), (15, 13454703), (27, 7474835), (45, 4484901), (73, 2764665), (135, 1494967), (219, 921555), (365, 552933), (657, 307185), (1095, 184311), (1971, 102395), (3285, 61437), (9855, 20479)]