81701269

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{337}}^1\times {\mathrm{1097}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 93523248

約数和(自身を除く): 11821979

約数列:

[1, 13, 17, 221, 337, 1097, 4381, 5729, 14261, 18649, 74477, 242437, 369689, 4805957, 6284713, 81701269]

約数ペア:

[(1, 81701269), (13, 6284713), (17, 4805957), (221, 369689), (337, 242437), (1097, 74477), (4381, 18649), (5729, 14261)]