138208539

素因数分解:

$3^1\times 7^1\times {\mathrm{1709}}^1\times {\mathrm{3851}}^1$

素因数の和:5570

約数の個数: 16

約数和(自身を含む): 210781440

約数和(自身を除く): 72572901

約数列:

[1, 3, 7, 21, 1709, 3851, 5127, 11553, 11963, 26957, 35889, 80871, 6581359, 19744077, 46069513, 138208539]

約数ペア:

[(1, 138208539), (3, 46069513), (7, 19744077), (21, 6581359), (1709, 80871), (3851, 35889), (5127, 26957), (11553, 11963)]