205161705

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{9721}}^1$

素因数の和:9806

約数の個数: 48

約数和(自身を含む): 412523904

約数和(自身を除く): 207362199

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 67, 105, 201, 315, 335, 469, 603, 1005, 1407, 2345, 3015, 4221, 7035, 9721, 21105, 29163, 48605, 68047, 87489, 145815, 204141, 340235, 437445, 612423, 651307, 1020705, 1953921, 3062115, 3256535, 4559149, 5861763, 9769605, 13677447, 22795745, 29308815, 41032341, 68387235, 205161705]

約数ペア:

[(1, 205161705), (3, 68387235), (5, 41032341), (7, 29308815), (9, 22795745), (15, 13677447), (21, 9769605), (35, 5861763), (45, 4559149), (63, 3256535), (67, 3062115), (105, 1953921), (201, 1020705), (315, 651307), (335, 612423), (469, 437445), (603, 340235), (1005, 204141), (1407, 145815), (2345, 87489), (3015, 68047), (4221, 48605), (7035, 29163), (9721, 21105)]