218634489

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 335237760

約数和(自身を除く): 116603271

約数列:

[1, 3, 9, 43, 71, 73, 109, 129, 213, 219, 327, 387, 639, 657, 981, 3053, 3139, 4687, 5183, 7739, 7957, 9159, 9417, 14061, 15549, 23217, 23871, 27477, 28251, 42183, 46647, 69651, 71613, 222869, 332777, 342151, 564947, 668607, 998331, 1026453, 1694841, 2005821, 2994993, 3079359, 5084523, 24292721, 72878163, 218634489]

約数ペア:

[(1, 218634489), (3, 72878163), (9, 24292721), (43, 5084523), (71, 3079359), (73, 2994993), (109, 2005821), (129, 1694841), (213, 1026453), (219, 998331), (327, 668607), (387, 564947), (639, 342151), (657, 332777), (981, 222869), (3053, 71613), (3139, 69651), (4687, 46647), (5183, 42183), (7739, 28251), (7957, 27477), (9159, 23871), (9417, 23217), (14061, 15549)]