31517143

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{349}}^1$

素因数の和:479

約数の個数: 24

約数和(自身を含む): 39102000

約数和(自身を除く): 7584857

約数列:

[1, 7, 19, 49, 97, 133, 349, 679, 931, 1843, 2443, 4753, 6631, 12901, 17101, 33853, 46417, 90307, 236971, 324919, 643207, 1658797, 4502449, 31517143]

約数ペア:

[(1, 31517143), (7, 4502449), (19, 1658797), (49, 643207), (97, 324919), (133, 236971), (349, 90307), (679, 46417), (931, 33853), (1843, 17101), (2443, 12901), (4753, 6631)]