31129847

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1153}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 39466800

約数和(自身を除く): 8336953

約数列:

[1, 7, 19, 29, 49, 133, 203, 551, 931, 1153, 1421, 3857, 8071, 21907, 26999, 33437, 56497, 153349, 234059, 635303, 1073443, 1638413, 4447121, 31129847]

約数ペア:

[(1, 31129847), (7, 4447121), (19, 1638413), (29, 1073443), (49, 635303), (133, 234059), (203, 153349), (551, 56497), (931, 33437), (1153, 26999), (1421, 21907), (3857, 8071)]