1778085

素因数分解:

$3^3\times 5^1\times {\mathrm{13171}}^1$

素因数の和:13185

約数の個数: 16

約数和(自身を含む): 3161280

約数和(自身を除く): 1383195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 13171, 39513, 65855, 118539, 197565, 355617, 592695, 1778085]

約数ペア:

[(1, 1778085), (3, 592695), (5, 355617), (9, 197565), (15, 118539), (27, 65855), (45, 39513), (135, 13171)]