81150657

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1471}}^1$

素因数の和:1589

約数の個数: 32

約数和(自身を含む): 128876544

約数和(自身を除く): 47725887

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 777, 1471, 1491, 2627, 4413, 7881, 10297, 18389, 30891, 54427, 55167, 104441, 163281, 313323, 380989, 731087, 1142967, 2193261, 3864317, 11592951, 27050219, 81150657]

約数ペア:

[(1, 81150657), (3, 27050219), (7, 11592951), (21, 3864317), (37, 2193261), (71, 1142967), (111, 731087), (213, 380989), (259, 313323), (497, 163281), (777, 104441), (1471, 55167), (1491, 54427), (2627, 30891), (4413, 18389), (7881, 10297)]