129020445

素因数分解:

$3^4\times 5^1\times {\mathrm{318569}}^1$

素因数の和:318586

約数の個数: 20

約数和(自身を含む): 231281820

約数和(自身を除く): 102261375

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 318569, 955707, 1592845, 2867121, 4778535, 8601363, 14335605, 25804089, 43006815, 129020445]

約数ペア:

[(1, 129020445), (3, 43006815), (5, 25804089), (9, 14335605), (15, 8601363), (27, 4778535), (45, 2867121), (81, 1592845), (135, 955707), (405, 318569)]