12957327

素因数分解:

$3^4\times {\mathrm{347}}^1\times {\mathrm{461}}^1$

素因数の和:820

約数の個数: 20

約数和(自身を含む): 19453896

約数和(自身を除く): 6496569

約数列:

[1, 3, 9, 27, 81, 347, 461, 1041, 1383, 3123, 4149, 9369, 12447, 28107, 37341, 159967, 479901, 1439703, 4319109, 12957327]

約数ペア:

[(1, 12957327), (3, 4319109), (9, 1439703), (27, 479901), (81, 159967), (347, 37341), (461, 28107), (1041, 12447), (1383, 9369), (3123, 4149)]