208740963

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 296980992

約数和(自身を除く): 88240029

約数列:

[1, 3, 41, 43, 61, 123, 129, 183, 647, 1763, 1941, 2501, 2623, 5289, 7503, 7869, 26527, 27821, 39467, 79581, 83463, 107543, 118401, 322629, 1140661, 1618147, 1697081, 3421983, 4854441, 5091243, 69580321, 208740963]

約数ペア:

[(1, 208740963), (3, 69580321), (41, 5091243), (43, 4854441), (61, 3421983), (123, 1697081), (129, 1618147), (183, 1140661), (647, 322629), (1763, 118401), (1941, 107543), (2501, 83463), (2623, 79581), (5289, 39467), (7503, 27821), (7869, 26527)]