51428385

素因数分解:

$3^3\times 5^1\times {\mathrm{380951}}^1$

素因数の和:380965

約数の個数: 16

約数和(自身を含む): 91428480

約数和(自身を除く): 40000095

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 380951, 1142853, 1904755, 3428559, 5714265, 10285677, 17142795, 51428385]

約数ペア:

[(1, 51428385), (3, 17142795), (5, 10285677), (9, 5714265), (15, 3428559), (27, 1904755), (45, 1142853), (135, 380951)]