66617019

素因数分解:

$3^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1237

約数の個数: 48

約数和(自身を含む): 117575040

約数和(自身を除く): 50958021

約数列:

[1, 3, 7, 9, 21, 27, 43, 49, 63, 129, 147, 189, 301, 387, 441, 903, 1161, 1171, 1323, 2107, 2709, 3513, 6321, 8127, 8197, 10539, 18963, 24591, 31617, 50353, 56889, 57379, 73773, 151059, 172137, 221319, 352471, 453177, 516411, 1057413, 1359531, 1549233, 2467297, 3172239, 7401891, 9516717, 22205673, 66617019]

約数ペア:

[(1, 66617019), (3, 22205673), (7, 9516717), (9, 7401891), (21, 3172239), (27, 2467297), (43, 1549233), (49, 1359531), (63, 1057413), (129, 516411), (147, 453177), (189, 352471), (301, 221319), (387, 172137), (441, 151059), (903, 73773), (1161, 57379), (1171, 56889), (1323, 50353), (2107, 31617), (2709, 24591), (3513, 18963), (6321, 10539), (8127, 8197)]