27968661

素因数分解:

$3^2\times 7^2\times {\mathrm{63421}}^1$

素因数の和:63441

約数の個数: 18

約数和(自身を含む): 46995702

約数和(自身を除く): 19027041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 63421, 190263, 443947, 570789, 1331841, 3107629, 3995523, 9322887, 27968661]

約数ペア:

[(1, 27968661), (3, 9322887), (7, 3995523), (9, 3107629), (21, 1331841), (49, 570789), (63, 443947), (147, 190263), (441, 63421)]