668546193

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{523}}^1\times {\mathrm{2099}}^1$

素因数の和:2661

約数の個数: 32

約数和(自身を含む): 1056384000

約数和(自身を除く): 387837807

約数列:

[1, 3, 7, 21, 29, 87, 203, 523, 609, 1569, 2099, 3661, 6297, 10983, 14693, 15167, 44079, 45501, 60871, 106169, 182613, 318507, 426097, 1097777, 1278291, 3293331, 7684439, 23053317, 31835533, 95506599, 222848731, 668546193]

約数ペア:

[(1, 668546193), (3, 222848731), (7, 95506599), (21, 31835533), (29, 23053317), (87, 7684439), (203, 3293331), (523, 1278291), (609, 1097777), (1569, 426097), (2099, 318507), (3661, 182613), (6297, 106169), (10983, 60871), (14693, 45501), (15167, 44079)]