201219165

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{1301}}^1$

素因数の和:1810

約数の個数: 48

約数和(自身を含む): 399724416

約数和(自身を除く): 198505251

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 491, 1301, 1473, 2455, 3437, 3903, 4419, 6505, 7365, 9107, 10311, 11709, 17185, 19515, 22095, 27321, 30933, 45535, 51555, 58545, 81963, 136605, 154665, 409815, 638791, 1916373, 3193955, 4471537, 5749119, 9581865, 13414611, 22357685, 28745595, 40243833, 67073055, 201219165]

約数ペア:

[(1, 201219165), (3, 67073055), (5, 40243833), (7, 28745595), (9, 22357685), (15, 13414611), (21, 9581865), (35, 5749119), (45, 4471537), (63, 3193955), (105, 1916373), (315, 638791), (491, 409815), (1301, 154665), (1473, 136605), (2455, 81963), (3437, 58545), (3903, 51555), (4419, 45535), (6505, 30933), (7365, 27321), (9107, 22095), (10311, 19515), (11709, 17185)]