138723837

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{140551}}^1$

素因数の和:140608

約数の個数: 16

約数和(自身を含む): 215887872

約数和(自身を除く): 77164035

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 140551, 421653, 983857, 2951571, 6605897, 19817691, 46241279, 138723837]

約数ペア:

[(1, 138723837), (3, 46241279), (7, 19817691), (21, 6605897), (47, 2951571), (141, 983857), (329, 421653), (987, 140551)]