20123254143

素因数分解:

$3^3\times {\mathrm{1607}}^1\times {\mathrm{463787}}^1$

素因数の和:465403

約数の個数: 16

約数和(自身を含む): 29830844160

約数和(自身を除く): 9707590017

約数列:

[1, 3, 9, 27, 1607, 4821, 14463, 43389, 463787, 1391361, 4174083, 12522249, 745305709, 2235917127, 6707751381, 20123254143]

約数ペア:

[(1, 20123254143), (3, 6707751381), (9, 2235917127), (27, 745305709), (1607, 12522249), (4821, 4174083), (14463, 1391361), (43389, 463787)]