201820199

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2\times {\mathrm{503}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 244242432

約数和(自身を除く): 42422233

約数列:

[1, 7, 31, 43, 217, 301, 503, 1333, 1849, 3521, 9331, 12943, 15593, 21629, 57319, 109151, 151403, 401233, 670499, 930047, 4693493, 6510329, 28831457, 201820199]

約数ペア:

[(1, 201820199), (7, 28831457), (31, 6510329), (43, 4693493), (217, 930047), (301, 670499), (503, 401233), (1333, 151403), (1849, 109151), (3521, 57319), (9331, 21629), (12943, 15593)]