399846

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:755

約数の個数: 16

約数和(自身を含む): 808704

約数和(自身を除く): 408858

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 647, 1294, 1941, 3882, 66641, 133282, 199923, 399846]

約数ペア:

[(1, 399846), (2, 199923), (3, 133282), (6, 66641), (103, 3882), (206, 1941), (309, 1294), (618, 647)]