68902491

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2091

約数の個数: 32

約数和(自身を含む): 110481408

約数和(自身を除く): 41578917

約数列:

[1, 3, 7, 21, 31, 53, 93, 159, 217, 371, 651, 1113, 1643, 1997, 4929, 5991, 11501, 13979, 34503, 41937, 61907, 105841, 185721, 317523, 433349, 740887, 1300047, 2222661, 3281071, 9843213, 22967497, 68902491]

約数ペア:

[(1, 68902491), (3, 22967497), (7, 9843213), (21, 3281071), (31, 2222661), (53, 1300047), (93, 740887), (159, 433349), (217, 317523), (371, 185721), (651, 105841), (1113, 61907), (1643, 41937), (1997, 34503), (4929, 13979), (5991, 11501)]