198996861

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{498739}}^1$

素因数の和:498768

約数の個数: 16

約数和(自身を含む): 319193600

約数和(自身を除く): 120196739

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 498739, 1496217, 3491173, 9476041, 10473519, 28428123, 66332287, 198996861]

約数ペア:

[(1, 198996861), (3, 66332287), (7, 28428123), (19, 10473519), (21, 9476041), (57, 3491173), (133, 1496217), (399, 498739)]