12780243

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11933}}^1$

素因数の和:11963

約数の個数: 24

約数和(自身を含む): 22340448

約数和(自身を除く): 9560205

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 11933, 35799, 83531, 107397, 202861, 250593, 608583, 751779, 1420027, 1825749, 4260081, 12780243]

約数ペア:

[(1, 12780243), (3, 4260081), (7, 1825749), (9, 1420027), (17, 751779), (21, 608583), (51, 250593), (63, 202861), (119, 107397), (153, 83531), (357, 35799), (1071, 11933)]