80491815

素因数分解:

$3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43627}}^1$

素因数の和:43679

約数の個数: 24

約数和(自身を含む): 142925328

約数和(自身を除く): 62433513

約数列:

[1, 3, 5, 9, 15, 41, 45, 123, 205, 369, 615, 1845, 43627, 130881, 218135, 392643, 654405, 1788707, 1963215, 5366121, 8943535, 16098363, 26830605, 80491815]

約数ペア:

[(1, 80491815), (3, 26830605), (5, 16098363), (9, 8943535), (15, 5366121), (41, 1963215), (45, 1788707), (123, 654405), (205, 392643), (369, 218135), (615, 130881), (1845, 43627)]