199885551

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{7001}}^1$

素因数の和:7342

約数の個数: 16

約数和(自身を含む): 276046848

約数和(自身を除く): 76161297

約数列:

[1, 3, 31, 93, 307, 921, 7001, 9517, 21003, 28551, 217031, 651093, 2149307, 6447921, 66628517, 199885551]

約数ペア:

[(1, 199885551), (3, 66628517), (31, 6447921), (93, 2149307), (307, 651093), (921, 217031), (7001, 28551), (9517, 21003)]