215545605

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{15739}}^1$

素因数の和:15841

約数の個数: 32

約数和(自身を含む): 380782080

約数和(自身を除く): 165236475

約数列:

[1, 3, 5, 11, 15, 33, 55, 83, 165, 249, 415, 913, 1245, 2739, 4565, 13695, 15739, 47217, 78695, 173129, 236085, 519387, 865645, 1306337, 2596935, 3919011, 6531685, 14369707, 19595055, 43109121, 71848535, 215545605]

約数ペア:

[(1, 215545605), (3, 71848535), (5, 43109121), (11, 19595055), (15, 14369707), (33, 6531685), (55, 3919011), (83, 2596935), (165, 1306337), (249, 865645), (415, 519387), (913, 236085), (1245, 173129), (2739, 78695), (4565, 47217), (13695, 15739)]