245131089

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{271463}}^1$

素因数の和:271516

約数の個数: 16

約数和(自身を含む): 382221312

約数和(自身を除く): 137090223

約数列:

[1, 3, 7, 21, 43, 129, 301, 903, 271463, 814389, 1900241, 5700723, 11672909, 35018727, 81710363, 245131089]

約数ペア:

[(1, 245131089), (3, 81710363), (7, 35018727), (21, 11672909), (43, 5700723), (129, 1900241), (301, 814389), (903, 271463)]