1279743423

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3207377}}^1$

素因数の和:3207406

約数の個数: 16

約数和(自身を含む): 2052721920

約数和(自身を除く): 772978497

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 3207377, 9622131, 22451639, 60940163, 67354917, 182820489, 426581141, 1279743423]

約数ペア:

[(1, 1279743423), (3, 426581141), (7, 182820489), (19, 67354917), (21, 60940163), (57, 22451639), (133, 9622131), (399, 3207377)]