268388631

素因数分解:

$3^2\times 7^2\times {\mathrm{608591}}^1$

素因数の和:608611

約数の個数: 18

約数和(自身を含む): 450966672

約数和(自身を除く): 182578041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 608591, 1825773, 4260137, 5477319, 12780411, 29820959, 38341233, 89462877, 268388631]

約数ペア:

[(1, 268388631), (3, 89462877), (7, 38341233), (9, 29820959), (21, 12780411), (49, 5477319), (63, 4260137), (147, 1825773), (441, 608591)]