161656563

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 227308032

約数和(自身を除く): 65651469

約数列:

[1, 3, 41, 71, 107, 123, 173, 213, 321, 519, 2911, 4387, 7093, 7597, 8733, 12283, 13161, 18511, 21279, 22791, 36849, 55533, 311477, 503603, 758951, 934431, 1314281, 1510809, 2276853, 3942843, 53885521, 161656563]

約数ペア:

[(1, 161656563), (3, 53885521), (41, 3942843), (71, 2276853), (107, 1510809), (123, 1314281), (173, 934431), (213, 758951), (321, 503603), (519, 311477), (2911, 55533), (4387, 36849), (7093, 22791), (7597, 21279), (8733, 18511), (12283, 13161)]