16989075

素因数分解:

$3^3\times 5^2\times {\mathrm{25169}}^1$

素因数の和:25188

約数の個数: 24

約数和(自身を含む): 31210800

約数和(自身を除く): 14221725

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 225, 675, 25169, 75507, 125845, 226521, 377535, 629225, 679563, 1132605, 1887675, 3397815, 5663025, 16989075]

約数ペア:

[(1, 16989075), (3, 5663025), (5, 3397815), (9, 1887675), (15, 1132605), (25, 679563), (27, 629225), (45, 377535), (75, 226521), (135, 125845), (225, 75507), (675, 25169)]