1890861

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{677}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 3091680

約数和(自身を除く): 1200819

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 677, 931, 2031, 2793, 4739, 12863, 14217, 33173, 38589, 90041, 99519, 270123, 630287, 1890861]

約数ペア:

[(1, 1890861), (3, 630287), (7, 270123), (19, 99519), (21, 90041), (49, 38589), (57, 33173), (133, 14217), (147, 12863), (399, 4739), (677, 2793), (931, 2031)]