81240003

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{25717}}^1$

素因数の和:25745

約数の個数: 24

約数和(自身を含む): 131058928

約数和(自身を除く): 49818925

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 25717, 77151, 231453, 334321, 694359, 1002963, 2083077, 3008889, 6249231, 9026667, 27080001, 81240003]

約数ペア:

[(1, 81240003), (3, 27080001), (9, 9026667), (13, 6249231), (27, 3008889), (39, 2083077), (81, 1002963), (117, 694359), (243, 334321), (351, 231453), (1053, 77151), (3159, 25717)]