161161

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:61

約数の個数: 24

約数和(自身を含む): 229824

約数和(自身を除く): 68663

約数列:

[1, 7, 11, 13, 23, 49, 77, 91, 143, 161, 253, 299, 539, 637, 1001, 1127, 1771, 2093, 3289, 7007, 12397, 14651, 23023, 161161]

約数ペア:

[(1, 161161), (7, 23023), (11, 14651), (13, 12397), (23, 7007), (49, 3289), (77, 2093), (91, 1771), (143, 1127), (161, 1001), (253, 637), (299, 539)]