81390081

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1\times {\mathrm{719}}^1$

素因数の和:1208

約数の個数: 16

約数和(自身を含む): 110073600

約数和(自身を除く): 28683519

約数列:

[1, 3, 97, 291, 389, 719, 1167, 2157, 37733, 69743, 113199, 209229, 279691, 839073, 27130027, 81390081]

約数ペア:

[(1, 81390081), (3, 27130027), (97, 839073), (291, 279691), (389, 209229), (719, 113199), (1167, 69743), (2157, 37733)]