280639149

素因数分解:

$3^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{42157}}^1$

素因数の和:42484

約数の個数: 16

約数和(自身を含む): 428999808

約数和(自身を除く): 148360659

約数列:

[1, 3, 7, 21, 317, 951, 2219, 6657, 42157, 126471, 295099, 885297, 13363769, 40091307, 93546383, 280639149]

約数ペア:

[(1, 280639149), (3, 93546383), (7, 40091307), (21, 13363769), (317, 885297), (951, 295099), (2219, 126471), (6657, 42157)]