240793497

素因数分解:

$3^2\times 7^2\times {\mathrm{546017}}^1$

素因数の和:546037

約数の個数: 18

約数和(自身を含む): 404599338

約数和(自身を除く): 163805841

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 546017, 1638051, 3822119, 4914153, 11466357, 26754833, 34399071, 80264499, 240793497]

約数ペア:

[(1, 240793497), (3, 80264499), (7, 34399071), (9, 26754833), (21, 11466357), (49, 4914153), (63, 3822119), (147, 1638051), (441, 546017)]