520075857

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{86291}}^1$

素因数の和:86349

約数の個数: 24

約数和(自身を含む): 826332192

約数和(自身を除く): 306256335

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 6027, 86291, 258873, 604037, 1812111, 3537931, 4228259, 10613793, 12684777, 24765517, 74296551, 173358619, 520075857]

約数ペア:

[(1, 520075857), (3, 173358619), (7, 74296551), (21, 24765517), (41, 12684777), (49, 10613793), (123, 4228259), (147, 3537931), (287, 1812111), (861, 604037), (2009, 258873), (6027, 86291)]