127870057

素因数分解:

$7^4\times {\mathrm{19}}^1\times {\mathrm{2803}}^1$

素因数の和:2850

約数の個数: 20

約数和(自身を含む): 157080080

約数和(自身を除く): 29210023

約数列:

[1, 7, 19, 49, 133, 343, 931, 2401, 2803, 6517, 19621, 45619, 53257, 137347, 372799, 961429, 2609593, 6730003, 18267151, 127870057]

約数ペア:

[(1, 127870057), (7, 18267151), (19, 6730003), (49, 2609593), (133, 961429), (343, 372799), (931, 137347), (2401, 53257), (2803, 45619), (6517, 19621)]