1640470167

素因数分解:

$3^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{86509}}^1$

素因数の和:86572

約数の個数: 36

約数和(自身を含む): 2820572040

約数和(自身を除く): 1180101873

約数列:

[1, 3, 7, 9, 21, 43, 49, 63, 129, 147, 301, 387, 441, 903, 2107, 2709, 6321, 18963, 86509, 259527, 605563, 778581, 1816689, 3719887, 4238941, 5450067, 11159661, 12716823, 26039209, 33478983, 38150469, 78117627, 182274463, 234352881, 546823389, 1640470167]

約数ペア:

[(1, 1640470167), (3, 546823389), (7, 234352881), (9, 182274463), (21, 78117627), (43, 38150469), (49, 33478983), (63, 26039209), (129, 12716823), (147, 11159661), (301, 5450067), (387, 4238941), (441, 3719887), (903, 1816689), (2107, 778581), (2709, 605563), (6321, 259527), (18963, 86509)]