17989857

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{5417}}^1$

素因数の和:5470

約数の個数: 20

約数和(自身を含む): 27534276

約数和(自身を除く): 9544419

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 5417, 16251, 48753, 146259, 222097, 438777, 666291, 1998873, 5996619, 17989857]

約数ペア:

[(1, 17989857), (3, 5996619), (9, 1998873), (27, 666291), (41, 438777), (81, 222097), (123, 146259), (369, 48753), (1107, 16251), (3321, 5417)]