1081471905

素因数分解:

$3^4\times 5^1\times {\mathrm{2670301}}^1$

素因数の和:2670318

約数の個数: 20

約数和(自身を含む): 1938639252

約数和(自身を除く): 857167347

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2670301, 8010903, 13351505, 24032709, 40054515, 72098127, 120163545, 216294381, 360490635, 1081471905]

約数ペア:

[(1, 1081471905), (3, 360490635), (5, 216294381), (9, 120163545), (15, 72098127), (27, 40054515), (45, 24032709), (81, 13351505), (135, 8010903), (405, 2670301)]