261719007

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{8101}}^1$

素因数の和:8215

約数の個数: 24

約数和(自身を含む): 387923760

約数和(自身を除く): 126204753

約数列:

[1, 3, 11, 33, 89, 121, 267, 363, 979, 2937, 8101, 10769, 24303, 32307, 89111, 267333, 720989, 980221, 2162967, 2940663, 7930879, 23792637, 87239669, 261719007]

約数ペア:

[(1, 261719007), (3, 87239669), (11, 23792637), (33, 7930879), (89, 2940663), (121, 2162967), (267, 980221), (363, 720989), (979, 267333), (2937, 89111), (8101, 32307), (10769, 24303)]