27605205

素因数分解:

$3^4\times 5^1\times {\mathrm{68161}}^1$

素因数の和:68178

約数の個数: 20

約数和(自身を含む): 49485612

約数和(自身を除く): 21880407

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68161, 204483, 340805, 613449, 1022415, 1840347, 3067245, 5521041, 9201735, 27605205]

約数ペア:

[(1, 27605205), (3, 9201735), (5, 5521041), (9, 3067245), (15, 1840347), (27, 1022415), (45, 613449), (81, 340805), (135, 204483), (405, 68161)]