212085

素因数分解:

$3^3\times 5^1\times {\mathrm{1571}}^1$

素因数の和:1585

約数の個数: 16

約数和(自身を含む): 377280

約数和(自身を除く): 165195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 1571, 4713, 7855, 14139, 23565, 42417, 70695, 212085]

約数ペア:

[(1, 212085), (3, 70695), (5, 42417), (9, 23565), (15, 14139), (27, 7855), (45, 4713), (135, 1571)]