117628492005

素因数分解:

$3^4\times 5^1\times {\mathrm{290440721}}^1$

素因数の和:290440738

約数の個数: 20

約数和(自身を含む): 210859964172

約数和(自身を除く): 93231472167

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 290440721, 871322163, 1452203605, 2613966489, 4356610815, 7841899467, 13069832445, 23525698401, 39209497335, 117628492005]

約数ペア:

[(1, 117628492005), (3, 39209497335), (5, 23525698401), (9, 13069832445), (15, 7841899467), (27, 4356610815), (45, 2613966489), (81, 1452203605), (135, 871322163), (405, 290440721)]