205965915

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{319327}}^1$

素因数の和:319378

約数の個数: 16

約数和(自身を含む): 337210368

約数和(自身を除く): 131244453

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 319327, 957981, 1596635, 4789905, 13731061, 41193183, 68655305, 205965915]

約数ペア:

[(1, 205965915), (3, 68655305), (5, 41193183), (15, 13731061), (43, 4789905), (129, 1596635), (215, 957981), (645, 319327)]