242569299

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{4397}}^1$

素因数の和:4515

約数の個数: 32

約数和(自身を含む): 385053696

約数和(自身を除く): 142484397

約数列:

[1, 3, 7, 21, 37, 71, 111, 213, 259, 497, 777, 1491, 2627, 4397, 7881, 13191, 18389, 30779, 55167, 92337, 162689, 312187, 488067, 936561, 1138823, 2185309, 3416469, 6555927, 11550919, 34652757, 80856433, 242569299]

約数ペア:

[(1, 242569299), (3, 80856433), (7, 34652757), (21, 11550919), (37, 6555927), (71, 3416469), (111, 2185309), (213, 1138823), (259, 936561), (497, 488067), (777, 312187), (1491, 162689), (2627, 92337), (4397, 55167), (7881, 30779), (13191, 18389)]