204722145

素因数分解:

$3^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{26297}}^1$

素因数の和:26481

約数の個数: 24

約数和(自身を含む): 356916456

約数和(自身を除く): 152194311

約数列:

[1, 3, 5, 9, 15, 45, 173, 519, 865, 1557, 2595, 7785, 26297, 78891, 131485, 236673, 394455, 1183365, 4549381, 13648143, 22746905, 40944429, 68240715, 204722145]

約数ペア:

[(1, 204722145), (3, 68240715), (5, 40944429), (9, 22746905), (15, 13648143), (45, 4549381), (173, 1183365), (519, 394455), (865, 236673), (1557, 131485), (2595, 78891), (7785, 26297)]