214819905

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1\times {\mathrm{983}}^1$

素因数の和:1865

約数の個数: 32

約数和(自身を含む): 364725504

約数和(自身を除く): 149905599

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 857, 983, 2571, 2949, 4285, 4915, 12855, 14569, 14745, 16711, 43707, 50133, 72845, 83555, 218535, 250665, 842431, 2527293, 4212155, 12636465, 14321327, 42963981, 71606635, 214819905]

約数ペア:

[(1, 214819905), (3, 71606635), (5, 42963981), (15, 14321327), (17, 12636465), (51, 4212155), (85, 2527293), (255, 842431), (857, 250665), (983, 218535), (2571, 83555), (2949, 72845), (4285, 50133), (4915, 43707), (12855, 16711), (14569, 14745)]