217422359

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{36671}}^1$

素因数の和:36707

約数の個数: 18

約数和(自身を含む): 278010432

約数和(自身を除く): 60588073

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 36671, 256697, 403381, 1796879, 2823667, 4437191, 19765669, 31060337, 217422359]

約数ペア:

[(1, 217422359), (7, 31060337), (11, 19765669), (49, 4437191), (77, 2823667), (121, 1796879), (539, 403381), (847, 256697), (5929, 36671)]