201212865

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{91253}}^1$

素因数の和:91278

約数の個数: 36

約数和(自身を含む): 405715284

約数和(自身を除く): 204502419

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 49, 63, 105, 147, 245, 315, 441, 735, 2205, 91253, 273759, 456265, 638771, 821277, 1368795, 1916313, 3193855, 4106385, 4471397, 5748939, 9581565, 13414191, 22356985, 28744695, 40242573, 67070955, 201212865]

約数ペア:

[(1, 201212865), (3, 67070955), (5, 40242573), (7, 28744695), (9, 22356985), (15, 13414191), (21, 9581565), (35, 5748939), (45, 4471397), (49, 4106385), (63, 3193855), (105, 1916313), (147, 1368795), (245, 821277), (315, 638771), (441, 456265), (735, 273759), (2205, 91253)]