239212281

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{2003}}^1$

素因数の和:2082

約数の個数: 48

約数和(自身を含む): 409393152

約数和(自身を除く): 170180871

約数列:

[1, 3, 7, 11, 21, 33, 47, 77, 121, 141, 231, 329, 363, 517, 847, 987, 1551, 2003, 2541, 3619, 5687, 6009, 10857, 14021, 17061, 22033, 39809, 42063, 66099, 94141, 119427, 154231, 242363, 282423, 462693, 658987, 727089, 1035551, 1696541, 1976961, 3106653, 5089623, 7248857, 11391061, 21746571, 34173183, 79737427, 239212281]

約数ペア:

[(1, 239212281), (3, 79737427), (7, 34173183), (11, 21746571), (21, 11391061), (33, 7248857), (47, 5089623), (77, 3106653), (121, 1976961), (141, 1696541), (231, 1035551), (329, 727089), (363, 658987), (517, 462693), (847, 282423), (987, 242363), (1551, 154231), (2003, 119427), (2541, 94141), (3619, 66099), (5687, 42063), (6009, 39809), (10857, 22033), (14021, 17061)]