205364217

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:837

約数の個数: 32

約数和(自身を含む): 302284800

約数和(自身を除く): 96920583

約数列:

[1, 3, 19, 23, 57, 69, 383, 409, 437, 1149, 1227, 1311, 7277, 7771, 8809, 9407, 21831, 23313, 26427, 28221, 156647, 167371, 178733, 469941, 502113, 536199, 2976293, 3602881, 8928879, 10808643, 68454739, 205364217]

約数ペア:

[(1, 205364217), (3, 68454739), (19, 10808643), (23, 8928879), (57, 3602881), (69, 2976293), (383, 536199), (409, 502113), (437, 469941), (1149, 178733), (1227, 167371), (1311, 156647), (7277, 28221), (7771, 26427), (8809, 23313), (9407, 21831)]