12855339

素因数分解:

$3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{487}}^1$

素因数の和:919

約数の個数: 24

約数和(自身を含む): 21315840

約数和(自身を除く): 8460501

約数列:

[1, 3, 7, 9, 21, 63, 419, 487, 1257, 1461, 2933, 3409, 3771, 4383, 8799, 10227, 26397, 30681, 204053, 612159, 1428371, 1836477, 4285113, 12855339]

約数ペア:

[(1, 12855339), (3, 4285113), (7, 1836477), (9, 1428371), (21, 612159), (63, 204053), (419, 30681), (487, 26397), (1257, 10227), (1461, 8799), (2933, 4383), (3409, 3771)]