277773993

素因数分解:

$3^2\times 7^2\times {\mathrm{629873}}^1$

素因数の和:629893

約数の個数: 18

約数和(自身を含む): 466736634

約数和(自身を除く): 188962641

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 629873, 1889619, 4409111, 5668857, 13227333, 30863777, 39681999, 92591331, 277773993]

約数ペア:

[(1, 277773993), (3, 92591331), (7, 39681999), (9, 30863777), (21, 13227333), (49, 5668857), (63, 4409111), (147, 1889619), (441, 629873)]