65725121

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2085

約数の個数: 24

約数和(自身を含む): 84816000

約数和(自身を除く): 19090879

約数列:

[1, 7, 11, 49, 61, 77, 427, 539, 671, 1999, 2989, 4697, 13993, 21989, 32879, 97951, 121939, 153923, 853573, 1077461, 1341329, 5975011, 9389303, 65725121]

約数ペア:

[(1, 65725121), (7, 9389303), (11, 5975011), (49, 1341329), (61, 1077461), (77, 853573), (427, 153923), (539, 121939), (671, 97951), (1999, 32879), (2989, 21989), (4697, 13993)]