201891837

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:238

約数の個数: 64

約数和(自身を含む): 330891264

約数和(自身を除く): 128999427

約数列:

[1, 3, 7, 21, 43, 47, 67, 71, 129, 141, 201, 213, 301, 329, 469, 497, 903, 987, 1407, 1491, 2021, 2881, 3053, 3149, 3337, 4757, 6063, 8643, 9159, 9447, 10011, 14147, 14271, 20167, 21371, 22043, 23359, 33299, 42441, 60501, 64113, 66129, 70077, 99897, 135407, 143491, 204551, 223579, 406221, 430473, 613653, 670737, 947849, 1004437, 1431857, 1565053, 2843547, 3013311, 4295571, 4695159, 9613897, 28841691, 67297279, 201891837]

約数ペア:

[(1, 201891837), (3, 67297279), (7, 28841691), (21, 9613897), (43, 4695159), (47, 4295571), (67, 3013311), (71, 2843547), (129, 1565053), (141, 1431857), (201, 1004437), (213, 947849), (301, 670737), (329, 613653), (469, 430473), (497, 406221), (903, 223579), (987, 204551), (1407, 143491), (1491, 135407), (2021, 99897), (2881, 70077), (3053, 66129), (3149, 64113), (3337, 60501), (4757, 42441), (6063, 33299), (8643, 23359), (9159, 22043), (9447, 21371), (10011, 20167), (14147, 14271)]