57218787

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 91428480

約数和(自身を除く): 34209693

約数列:

[1, 3, 9, 17, 47, 51, 73, 109, 141, 153, 219, 327, 423, 657, 799, 981, 1241, 1853, 2397, 3431, 3723, 5123, 5559, 7191, 7957, 10293, 11169, 15369, 16677, 23871, 30879, 46107, 58327, 71613, 87091, 135269, 174981, 261273, 373979, 405807, 524943, 783819, 1121937, 1217421, 3365811, 6357643, 19072929, 57218787]

約数ペア:

[(1, 57218787), (3, 19072929), (9, 6357643), (17, 3365811), (47, 1217421), (51, 1121937), (73, 783819), (109, 524943), (141, 405807), (153, 373979), (219, 261273), (327, 174981), (423, 135269), (657, 87091), (799, 71613), (981, 58327), (1241, 46107), (1853, 30879), (2397, 23871), (3431, 16677), (3723, 15369), (5123, 11169), (5559, 10293), (7191, 7957)]