208795881

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{919}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 329728000

約数和(自身を除く): 120932119

約数列:

[1, 3, 7, 21, 31, 93, 217, 349, 651, 919, 1047, 2443, 2757, 6433, 7329, 10819, 19299, 28489, 32457, 75733, 85467, 199423, 227199, 320731, 598269, 962193, 2245117, 6735351, 9942661, 29827983, 69598627, 208795881]

約数ペア:

[(1, 208795881), (3, 69598627), (7, 29827983), (21, 9942661), (31, 6735351), (93, 2245117), (217, 962193), (349, 598269), (651, 320731), (919, 227199), (1047, 199423), (2443, 85467), (2757, 75733), (6433, 32457), (7329, 28489), (10819, 19299)]