69719535

素因数分解:

$3^4\times 5^1\times {\mathrm{172147}}^1$

素因数の和:172164

約数の個数: 20

約数和(自身を含む): 124979448

約数和(自身を除く): 55259913

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 172147, 516441, 860735, 1549323, 2582205, 4647969, 7746615, 13943907, 23239845, 69719535]

約数ペア:

[(1, 69719535), (3, 23239845), (5, 13943907), (9, 7746615), (15, 4647969), (27, 2582205), (45, 1549323), (81, 860735), (135, 516441), (405, 172147)]