13393457

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 17349696

約数和(自身を除く): 3956239

約数列:

[1, 7, 11, 31, 77, 181, 217, 341, 961, 1267, 1991, 2387, 5611, 6727, 10571, 13937, 39277, 61721, 73997, 173941, 432047, 1217587, 1913351, 13393457]

約数ペア:

[(1, 13393457), (7, 1913351), (11, 1217587), (31, 432047), (77, 173941), (181, 73997), (217, 61721), (341, 39277), (961, 13937), (1267, 10571), (1991, 6727), (2387, 5611)]