81784527

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{389}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 124899840

約数和(自身を除く): 43115313

約数列:

[1, 3, 11, 23, 33, 69, 253, 277, 389, 759, 831, 1167, 3047, 4279, 6371, 8947, 9141, 12837, 19113, 26841, 70081, 98417, 107753, 210243, 295251, 323259, 1185283, 2478319, 3555849, 7434957, 27261509, 81784527]

約数ペア:

[(1, 81784527), (3, 27261509), (11, 7434957), (23, 3555849), (33, 2478319), (69, 1185283), (253, 323259), (277, 295251), (389, 210243), (759, 107753), (831, 98417), (1167, 70081), (3047, 26841), (4279, 19113), (6371, 12837), (8947, 9141)]