40787649

素因数分解:

$3^2\times 7^2\times {\mathrm{92489}}^1$

素因数の和:92509

約数の個数: 18

約数和(自身を含む): 68535090

約数和(自身を除く): 27747441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 92489, 277467, 647423, 832401, 1942269, 4531961, 5826807, 13595883, 40787649]

約数ペア:

[(1, 40787649), (3, 13595883), (7, 5826807), (9, 4531961), (21, 1942269), (49, 832401), (63, 647423), (147, 277467), (441, 92489)]