51431085

素因数分解:

$3^3\times 5^1\times {\mathrm{380971}}^1$

素因数の和:380985

約数の個数: 16

約数和(自身を含む): 91433280

約数和(自身を除く): 40002195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 380971, 1142913, 1904855, 3428739, 5714565, 10286217, 17143695, 51431085]

約数ペア:

[(1, 51431085), (3, 17143695), (5, 10286217), (9, 5714565), (15, 3428739), (27, 1904855), (45, 1142913), (135, 380971)]