210007385

素因数分解:

$5^1\times 7^2\times {\mathrm{271}}^1\times {\mathrm{3163}}^1$

素因数の和:3453

約数の個数: 24

約数和(自身を含む): 294327936

約数和(自身を除く): 84320551

約数列:

[1, 5, 7, 35, 49, 245, 271, 1355, 1897, 3163, 9485, 13279, 15815, 22141, 66395, 110705, 154987, 774935, 857173, 4285865, 6000211, 30001055, 42001477, 210007385]

約数ペア:

[(1, 210007385), (5, 42001477), (7, 30001055), (35, 6000211), (49, 4285865), (245, 857173), (271, 774935), (1355, 154987), (1897, 110705), (3163, 66395), (9485, 22141), (13279, 15815)]