12820227

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{35911}}^1$

素因数の和:35938

約数の個数: 16

約数和(自身を含む): 20685312

約数和(自身を除く): 7865085

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 35911, 107733, 251377, 610487, 754131, 1831461, 4273409, 12820227]

約数ペア:

[(1, 12820227), (3, 4273409), (7, 1831461), (17, 754131), (21, 610487), (51, 251377), (119, 107733), (357, 35911)]