12915

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1$

素因数の和:59

約数の個数: 24

約数和(自身を含む): 26208

約数和(自身を除く): 13293

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 615, 861, 1435, 1845, 2583, 4305, 12915]

約数ペア:

[(1, 12915), (3, 4305), (5, 2583), (7, 1845), (9, 1435), (15, 861), (21, 615), (35, 369), (41, 315), (45, 287), (63, 205), (105, 123)]