2831661

素因数分解:

$3^2\times 7^2\times {\mathrm{6421}}^1$

素因数の和:6441

約数の個数: 18

約数和(自身を含む): 4758702

約数和(自身を除く): 1927041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 6421, 19263, 44947, 57789, 134841, 314629, 404523, 943887, 2831661]

約数ペア:

[(1, 2831661), (3, 943887), (7, 404523), (9, 314629), (21, 134841), (49, 57789), (63, 44947), (147, 19263), (441, 6421)]