81214371

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{34841}}^1$

素因数の和:34891

約数の個数: 24

約数和(自身を含む): 137695584

約数和(自身を除く): 56481213

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 34841, 104523, 243887, 313569, 731661, 1289117, 2194983, 3867351, 9023819, 11602053, 27071457, 81214371]

約数ペア:

[(1, 81214371), (3, 27071457), (7, 11602053), (9, 9023819), (21, 3867351), (37, 2194983), (63, 1289117), (111, 731661), (259, 313569), (333, 243887), (777, 104523), (2331, 34841)]