157788141

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{395459}}^1$

素因数の和:395488

約数の個数: 16

約数和(自身を含む): 253094400

約数和(自身を除く): 95306259

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 395459, 1186377, 2768213, 7513721, 8304639, 22541163, 52596047, 157788141]

約数ペア:

[(1, 157788141), (3, 52596047), (7, 22541163), (19, 8304639), (21, 7513721), (57, 2768213), (133, 1186377), (399, 395459)]