85704171

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1223}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 135364608

約数和(自身を除く): 49660437

約数列:

[1, 3, 7, 21, 47, 71, 141, 213, 329, 497, 987, 1223, 1491, 3337, 3669, 8561, 10011, 23359, 25683, 57481, 70077, 86833, 172443, 260499, 402367, 607831, 1207101, 1823493, 4081151, 12243453, 28568057, 85704171]

約数ペア:

[(1, 85704171), (3, 28568057), (7, 12243453), (21, 4081151), (47, 1823493), (71, 1207101), (141, 607831), (213, 402367), (329, 260499), (497, 172443), (987, 86833), (1223, 70077), (1491, 57481), (3337, 25683), (3669, 23359), (8561, 10011)]