204865005

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{761}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 333134208

約数和(自身を除く): 128269203

約数列:

[1, 3, 5, 15, 131, 137, 393, 411, 655, 685, 761, 1965, 2055, 2283, 3805, 11415, 17947, 53841, 89735, 99691, 104257, 269205, 299073, 312771, 498455, 521285, 1495365, 1563855, 13657667, 40973001, 68288335, 204865005]

約数ペア:

[(1, 204865005), (3, 68288335), (5, 40973001), (15, 13657667), (131, 1563855), (137, 1495365), (393, 521285), (411, 498455), (655, 312771), (685, 299073), (761, 269205), (1965, 104257), (2055, 99691), (2283, 89735), (3805, 53841), (11415, 17947)]