199438605

素因数分解:

$3^5\times 5^1\times {\mathrm{164147}}^1$

素因数の和:164167

約数の個数: 24

約数和(自身を含む): 358499232

約数和(自身を除く): 159060627

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 243, 405, 1215, 164147, 492441, 820735, 1477323, 2462205, 4431969, 7386615, 13295907, 22159845, 39887721, 66479535, 199438605]

約数ペア:

[(1, 199438605), (3, 66479535), (5, 39887721), (9, 22159845), (15, 13295907), (27, 7386615), (45, 4431969), (81, 2462205), (135, 1477323), (243, 820735), (405, 492441), (1215, 164147)]