16990425

素因数分解:

$3^3\times 5^2\times {\mathrm{25171}}^1$

素因数の和:25190

約数の個数: 24

約数和(自身を含む): 31213280

約数和(自身を除く): 14222855

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 25171, 75513, 125855, 226539, 377565, 629275, 679617, 1132695, 1887825, 3398085, 5663475, 16990425]

約数ペア:

[(1, 16990425), (3, 5663475), (5, 3398085), (9, 1887825), (15, 1132695), (25, 679617), (27, 629275), (45, 377565), (75, 226539), (135, 125855), (225, 75513), (675, 25171)]