253686951

素因数分解:

$3^3\times 7^1\times {\mathrm{1342259}}^1$

素因数の和:1342275

約数の個数: 16

約数和(自身を含む): 429523200

約数和(自身を除く): 175836249

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1342259, 4026777, 9395813, 12080331, 28187439, 36240993, 84562317, 253686951]

約数ペア:

[(1, 253686951), (3, 84562317), (7, 36240993), (9, 28187439), (21, 12080331), (27, 9395813), (63, 4026777), (189, 1342259)]