16827705

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21997}}^1$

素因数の和:22025

約数の個数: 24

約数和(自身を含む): 30885192

約数和(自身を除く): 14057487

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 21997, 65991, 109985, 197973, 329955, 373949, 989865, 1121847, 1869745, 3365541, 5609235, 16827705]

約数ペア:

[(1, 16827705), (3, 5609235), (5, 3365541), (9, 1869745), (15, 1121847), (17, 989865), (45, 373949), (51, 329955), (85, 197973), (153, 109985), (255, 65991), (765, 21997)]