2819745

素因数分解:

$3^3\times 5^1\times {\mathrm{20887}}^1$

素因数の和:20901

約数の個数: 16

約数和(自身を含む): 5013120

約数和(自身を除く): 2193375

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 20887, 62661, 104435, 187983, 313305, 563949, 939915, 2819745]

約数ペア:

[(1, 2819745), (3, 939915), (5, 563949), (9, 313305), (15, 187983), (27, 104435), (45, 62661), (135, 20887)]