17666019

素因数分解:

$3^4\times 7^2\times {\mathrm{4451}}^1$

素因数の和:4477

約数の個数: 30

約数和(自身を含む): 30705444

約数和(自身を除く): 13039425

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 4451, 13353, 31157, 40059, 93471, 120177, 218099, 280413, 360531, 654297, 841239, 1962891, 2523717, 5888673, 17666019]

約数ペア:

[(1, 17666019), (3, 5888673), (7, 2523717), (9, 1962891), (21, 841239), (27, 654297), (49, 360531), (63, 280413), (81, 218099), (147, 120177), (189, 93471), (441, 40059), (567, 31157), (1323, 13353), (3969, 4451)]