258534423

素因数分解:

$3^4\times 7^1\times {\mathrm{455969}}^1$

素因数の和:455988

約数の個数: 20

約数和(自身を含む): 441378960

約数和(自身を除く): 182844537

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 455969, 1367907, 3191783, 4103721, 9575349, 12311163, 28726047, 36933489, 86178141, 258534423]

約数ペア:

[(1, 258534423), (3, 86178141), (7, 36933489), (9, 28726047), (21, 12311163), (27, 9575349), (63, 4103721), (81, 3191783), (189, 1367907), (567, 455969)]